MathsGee Skills Question and Answer Bank - Recent questions tagged current
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Powered by Question2AnswerConsider the following diagram of a circuit. The light bulbs are not necessarily identical.
https://mathsgee.com/qna/16649/consider-the-following-diagram-of-a-circuit-the-light-bulbs-are-not-necessarily-identical
<p>Consider the following diagram of a circuit. The light bulbs are not necessarily identical.</p>
<p><img alt="" src="https://mathsgee.com/qna/?qa=blob&qa_blobid=3176314039843413256" style="height:563px; width:526px"></p>
<p>The reading on A2 will be equal to:</p>
<p> </p>
<p>A the reading on A1</p>
<p>B half the reading on A1</p>
<p>C the reading on A3 minus the reading on A1</p>
<p>D the reading on A1 minus the reading on A3.</p>Grade 10 Physical Scienceshttps://mathsgee.com/qna/16649/consider-the-following-diagram-of-a-circuit-the-light-bulbs-are-not-necessarily-identicalSat, 27 Jun 2020 05:04:28 +0000Are the current learning analytics metrics exhaustive?
https://mathsgee.com/qna/16456/are-the-current-learning-analytics-metrics-exhaustive
Are the current learning analytics metrics exhaustive?Acalyticahttps://mathsgee.com/qna/16456/are-the-current-learning-analytics-metrics-exhaustiveWed, 24 Jun 2020 04:56:54 +0000What is the reason for a drop in voltage while drawing current from a battery?
https://mathsgee.com/qna/15246/what-is-the-reason-for-a-drop-in-voltage-while-drawing-current-from-a-battery
What is the reason for a drop in voltage while drawing current from a battery?Form 6 Chemistryhttps://mathsgee.com/qna/15246/what-is-the-reason-for-a-drop-in-voltage-while-drawing-current-from-a-batterySat, 13 Jun 2020 23:32:52 +0000What does it mean to balance your investment portfolio?
https://mathsgee.com/qna/13994/what-does-it-mean-to-balance-your-investment-portfolio
What does it mean to balance your investment portfolio?Financial Literacyhttps://mathsgee.com/qna/13994/what-does-it-mean-to-balance-your-investment-portfolioFri, 05 Jun 2020 10:05:51 +0000What is power? Explain please so that l understand.
https://mathsgee.com/qna/13370/what-is-power-explain-please-so-that-l-understand
What is power? Explain please so that l understand.Grade 11 Physical Scienceshttps://mathsgee.com/qna/13370/what-is-power-explain-please-so-that-l-understandMon, 01 Jun 2020 15:36:27 +0000In the circuit diagram below, the battery has negligible internal resistance. The resistance of the ammeter and wires may also be ignored.
https://mathsgee.com/qna/13356/in-the-circuit-diagram-below-the-battery-has-negligible-internal-resistance-the-resistance-of-the-ammeter-and-wires-may-also-be-ignored
<p>In the circuit diagram below, the battery has negligible internal resistance. The resistance of the ammeter and wires may also be ignored.</p>
<p><img alt="" src="https://mathsgee.com/qna/?qa=blob&qa_blobid=4525720618267140411" style="height:424px; width:600px">
<br>
The reading on voltmeter V3 will be equal to …
<br>
A V1
<br>
B ½ V1
<br>
C V1 + V2
<br>
D V2 - V1</p>Grade 11 Physical Scienceshttps://mathsgee.com/qna/13356/in-the-circuit-diagram-below-the-battery-has-negligible-internal-resistance-the-resistance-of-the-ammeter-and-wires-may-also-be-ignoredMon, 01 Jun 2020 14:48:14 +0000An industrial open water tank, as shown in the picture below, has an inlet pipe and an outlet pipe. The depth of the water in the tank changes continually.
https://mathsgee.com/qna/11924/an-industrial-open-water-tank-as-shown-in-the-picture-below-has-an-inlet-pipe-and-an-outlet-pipe-the-depth-of-the-water-in-the-tank-changes-continually
<p>An industrial open water tank, as shown in the picture below, has an inlet pipe and an outlet pipe. The depth of the water in the tank changes continually.</p>
<p><img alt="" src="https://mathsgee.com/qna/?qa=blob&qa_blobid=5675850217030988369" style="height:277px; width:450px"></p>
<p>The equation $D(t)=4+0.5t^2-0.25t^3$ gives the depth (in metres) of the water, where $t$ represents the time (in hours) that has lapsed since the depth reading was taken at 09:00</p>
<p>Determine:</p>
<ol>
<li>The depth of the water in the tank at 11:00</li>
<li>The rate of change of the depth of the water in the tank at 12:00</li>
</ol>
<p> </p>
<p> </p>Grade 12 Technical Mathshttps://mathsgee.com/qna/11924/an-industrial-open-water-tank-as-shown-in-the-picture-below-has-an-inlet-pipe-and-an-outlet-pipe-the-depth-of-the-water-in-the-tank-changes-continuallySun, 24 May 2020 06:46:16 +0000Write down the relationship between the resistance and the length of the conducting wire.
https://mathsgee.com/qna/8158/write-down-the-relationship-between-the-resistance-and-the-length-of-the-conducting-wire
Write down the relationship between the resistance and the length of the conducting wire.Grade 10 Physical Scienceshttps://mathsgee.com/qna/8158/write-down-the-relationship-between-the-resistance-and-the-length-of-the-conducting-wireSat, 25 Apr 2020 19:27:37 +0000Determine the relationship between current, voltage and resistance
https://mathsgee.com/qna/7481/determine-the-relationship-between-current-voltage-and-resistance
Determine the relationship between current, voltage and resistanceGrade 12 Physical Scienceshttps://mathsgee.com/qna/7481/determine-the-relationship-between-current-voltage-and-resistanceMon, 20 Apr 2020 13:22:41 +0000Calculate the value of the investment at the end of 6 years. (No other transactions were made on the account)
https://mathsgee.com/qna/6579/calculate-the-value-of-the-investment-at-the-end-of-6-years-no-other-transactions-were-made-on-the-account
Sipho invested R30 000 for 6 years. The investment earned 12% p.a. compounded monthly for the first two years. Thereafter the interest rate changed to 10.8% per annum, compounded semi-annually for the rest of the period.<br />
<br />
Calculate the value of the investment at the end of 6 years. (No other transactions were made on the account)Grade 11 Mathshttps://mathsgee.com/qna/6579/calculate-the-value-of-the-investment-at-the-end-of-6-years-no-other-transactions-were-made-on-the-accountWed, 08 Apr 2020 21:13:55 +0000What are the implications for the current account and the financial account in the balance of payments? (Specifically in terms of SA)
https://mathsgee.com/qna/5579/what-are-the-implications-for-the-current-account-and-the-financial-account-in-the-balance-of-payments-specifically-in-terms-of-sa
What are the implications for the current account and the financial account in the balance of payments? (Specifically in terms of SA)Economicshttps://mathsgee.com/qna/5579/what-are-the-implications-for-the-current-account-and-the-financial-account-in-the-balance-of-payments-specifically-in-terms-of-saTue, 21 Jan 2020 01:58:28 +0000Explain the interaction between the current and financial accounts on the Balance of Payments. What are the implications of BOP imbalances for a country’s exchange rate?
https://mathsgee.com/qna/5575/explain-the-interaction-between-the-current-and-financial-accounts-on-the-balance-of-payments-what-are-the-implications-of-bop-imbalances-for-a-countrys-exchange-rate
Explain the interaction between the current and financial accounts on the Balance of Payments. What are the implications of BOP imbalances for a country’s exchange rate?Economicshttps://mathsgee.com/qna/5575/explain-the-interaction-between-the-current-and-financial-accounts-on-the-balance-of-payments-what-are-the-implications-of-bop-imbalances-for-a-countrys-exchange-rateTue, 21 Jan 2020 01:56:14 +0000What is the difference between portfolio investment and foreign direct investment in a country's financial account?
https://mathsgee.com/qna/5574/what-is-the-difference-between-portfolio-investment-and-foreign-direct-investment-in-a-countrys-financial-account
What is the difference between portfolio investment and foreign direct investment in a country's financial account?Economicshttps://mathsgee.com/qna/5574/what-is-the-difference-between-portfolio-investment-and-foreign-direct-investment-in-a-countrys-financial-accountMon, 20 Jan 2020 14:29:35 +0000Explain what impact this would have on the current and financial accounts of the Balance of Payments.
https://mathsgee.com/qna/5571/explain-what-impact-this-would-have-on-the-current-and-financial-accounts-of-the-balance-of-payments
Following the downgrade of South Africa’s sovereign credit rating to BBB- in June 2014,<br />
as well as a host of other recently published indicators reflecting negatively on the<br />
prospects for the South African economy, the Rand depreciated substantially against<br />
other major currencies during the past four months. Explain what impact this would have<br />
on the current and financial accounts of the Balance of Payments. Limit your answer to<br />
anticipated impacts on the Balance of Payments only.Economicshttps://mathsgee.com/qna/5571/explain-what-impact-this-would-have-on-the-current-and-financial-accounts-of-the-balance-of-paymentsMon, 20 Jan 2020 13:22:54 +0000How do you calculate the frequency of alternating current?
https://mathsgee.com/qna/4849/how-do-you-calculate-the-frequency-of-alternating-current
How do you calculate the frequency of alternating current?Grade 12 Physical Scienceshttps://mathsgee.com/qna/4849/how-do-you-calculate-the-frequency-of-alternating-currentTue, 15 Oct 2019 08:44:15 +0000What shape is the graph produced by alternating current generated over time?
https://mathsgee.com/qna/4848/what-shape-is-the-graph-produced-by-alternating-current-generated-over-time
What shape is the graph produced by alternating current generated over time?Grade 12 Physical Scienceshttps://mathsgee.com/qna/4848/what-shape-is-the-graph-produced-by-alternating-current-generated-over-timeTue, 15 Oct 2019 08:43:27 +0000What is the difference between alternating current and direct current?
https://mathsgee.com/qna/4846/what-is-the-difference-between-alternating-current-and-direct-current
What is the difference between alternating current and direct current?Grade 12 Physical Scienceshttps://mathsgee.com/qna/4846/what-is-the-difference-between-alternating-current-and-direct-currentTue, 15 Oct 2019 08:40:58 +0000What is the current version WordPress?
https://mathsgee.com/qna/3546/what-is-the-current-version-wordpress
What is the current version WordPress?Wordpresshttps://mathsgee.com/qna/3546/what-is-the-current-version-wordpressWed, 04 Sep 2019 00:46:17 +0000Define the EMF of a battery?
https://mathsgee.com/qna/3216/define-the-emf-of-a-battery
Define the EMF of a battery?Grade 12 Physical Scienceshttps://mathsgee.com/qna/3216/define-the-emf-of-a-batteryMon, 02 Sep 2019 02:10:18 +0000What is the effective current density on the surface of a long, cylindrical iron magnet?
https://mathsgee.com/qna/2988/what-is-the-effective-current-density-on-the-surface-of-a-long-cylindrical-iron-magnet
The magnetization inside iron is has a magnitude such that $\mu_0 M \approx 10^{-1}$ tesla (. What is the effective current density on the surface of a long, cylindrical iron magnet?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2988/what-is-the-effective-current-density-on-the-surface-of-a-long-cylindrical-iron-magnetFri, 30 Aug 2019 12:36:30 +0000What considerations come into play when designing a highly available application, both at the architecture level and the application level?
https://mathsgee.com/qna/2892/what-considerations-come-into-play-when-designing-a-highly-available-application-both-at-the-architecture-level-and-the-application-level
What considerations come into play when designing a highly available application, both at the architecture level and the application level?SysAdmin Skillshttps://mathsgee.com/qna/2892/what-considerations-come-into-play-when-designing-a-highly-available-application-both-at-the-architecture-level-and-the-application-levelFri, 30 Aug 2019 06:34:11 +0000Tell me how code gets deployed in your current production.
https://mathsgee.com/qna/2878/tell-me-how-code-gets-deployed-in-your-current-production
Tell me how code gets deployed in your current production.SysAdmin Skillshttps://mathsgee.com/qna/2878/tell-me-how-code-gets-deployed-in-your-current-productionFri, 30 Aug 2019 06:23:52 +0000Explain the current architecture you’re responsible for and point out where it’s scalable or fault-tolerant.
https://mathsgee.com/qna/2877/explain-the-current-architecture-youre-responsible-for-and-point-out-where-its-scalable-or-fault-tolerant
Explain the current architecture you’re responsible for and point out where it’s scalable or fault-tolerant.SysAdmin Skillshttps://mathsgee.com/qna/2877/explain-the-current-architecture-youre-responsible-for-and-point-out-where-its-scalable-or-fault-tolerantFri, 30 Aug 2019 06:23:20 +0000How much energy is transferred if ${2.6}{C}$ of charge flows from a ${1.5}{V}$ battery?
https://mathsgee.com/qna/2675/how-much-energy-is-transferred-if-2-6-c-of-charge-flows-from-a-1-5-v-battery
How much energy is transferred if ${2.6}{C}$ of charge flows from a ${1.5}{V}$ battery?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2675/how-much-energy-is-transferred-if-2-6-c-of-charge-flows-from-a-1-5-v-batteryWed, 28 Aug 2019 13:24:45 +0000What is the voltage across an LED if its resistance is ${6.5}{\Omega}$ whan a current of ${200}{mA}$ flows?
https://mathsgee.com/qna/2673/what-is-the-voltage-across-an-led-if-its-resistance-is-6-5-omega-whan-a-current-of-200-ma-flows
What is the voltage across an LED if its resistance is ${6.5}{\Omega}$ whan a current of ${200}{mA}$ flows?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2673/what-is-the-voltage-across-an-led-if-its-resistance-is-6-5-omega-whan-a-current-of-200-ma-flowsWed, 28 Aug 2019 13:22:45 +0000What is the current in the bulb it has resistance ${15}{\Omega}$?
https://mathsgee.com/qna/2657/what-is-the-current-in-the-bulb-it-has-resistance-15-omega
What is the current in the bulb it has resistance ${15}{\Omega}$?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2657/what-is-the-current-in-the-bulb-it-has-resistance-15-omegaWed, 28 Aug 2019 11:14:20 +0000${45}{C}$ of electrical charge leave a ${9}{V}$ battery. How much energy does this charge carry?
https://mathsgee.com/qna/2609/45-c-of-electrical-charge-leave-a-9-v-battery-how-much-energy-does-this-charge-carry
${45}{C}$ of electrical charge leave a ${9}{V}$ battery. How much energy does this charge carry?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2609/45-c-of-electrical-charge-leave-a-9-v-battery-how-much-energy-does-this-charge-carryWed, 28 Aug 2019 06:40:43 +0000${78}{C}$ of charge flow through an ammeter in ${32.5}{s}$. What current does the ammeter read?
https://mathsgee.com/qna/2607/78-c-of-charge-flow-through-an-ammeter-in-32-5-s-what-current-does-the-ammeter-read
${78}{C}$ of charge flow through an ammeter in ${32.5}{s}$. What current does the ammeter read?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2607/78-c-of-charge-flow-through-an-ammeter-in-32-5-s-what-current-does-the-ammeter-readWed, 28 Aug 2019 06:38:01 +0000A flashlamp bulb operates at a voltage of ${2.5}{V}$ and a current of ${0.3}{A}$. What is its resistance?
https://mathsgee.com/qna/2601/a-flashlamp-bulb-operates-at-a-voltage-of-2-5-v-and-a-current-of-0-3-a-what-is-its-resistance
A flashlamp bulb operates at a voltage of ${2.5}{V}$ and a current of ${0.3}{A}$. What is its resistance?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2601/a-flashlamp-bulb-operates-at-a-voltage-of-2-5-v-and-a-current-of-0-3-a-what-is-its-resistanceWed, 28 Aug 2019 06:27:36 +0000A solar panel generates ${300}{J}$ of electrical energy for every ${1400}{J}$ of light energy. What is its efficiency?
https://mathsgee.com/qna/2600/a-solar-panel-generates-300-j-of-electrical-energy-for-every-1400-j-of-light-energy-what-is-its-efficiency
A solar panel generates ${300}{J}$ of electrical energy for every ${1400}{J}$ of light energy. What is its efficiency?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2600/a-solar-panel-generates-300-j-of-electrical-energy-for-every-1400-j-of-light-energy-what-is-its-efficiencyWed, 28 Aug 2019 06:26:36 +0000The car is connected for ${29}{min}$. How much charge has flowed?
https://mathsgee.com/qna/2599/the-car-is-connected-for-29-min-how-much-charge-has-flowed
The car is connected for ${29}{min}$. How much charge has flowed?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2599/the-car-is-connected-for-29-min-how-much-charge-has-flowedWed, 28 Aug 2019 06:25:02 +0000What is the resistance of the car charging (connected to the charging point)?
https://mathsgee.com/qna/2598/what-is-the-resistance-of-the-car-charging-connected-to-the-charging-point
What is the resistance of the car charging (connected to the charging point)?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2598/what-is-the-resistance-of-the-car-charging-connected-to-the-charging-pointWed, 28 Aug 2019 06:24:15 +0000An electric car charging point supplies a voltage of ${394}{V}$ and a current of ${104}{A}$. Calculate the resistance.
https://mathsgee.com/qna/2597/an-electric-car-charging-point-supplies-a-voltage-of-394-v-and-a-current-of-104-a-calculate-the-resistance
An electric car charging point supplies a voltage of ${394}{V}$ and a current of ${104}{A}$. Calculate the resistance.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2597/an-electric-car-charging-point-supplies-a-voltage-of-394-v-and-a-current-of-104-a-calculate-the-resistanceWed, 28 Aug 2019 06:22:46 +0000If a lightbulb has a current of ${1.2}{A}$ flowing through it, how long will it take for ${90}{C}$ of charge to flow through it?
https://mathsgee.com/qna/2594/if-a-lightbulb-has-a-current-of-1-2-a-flowing-through-it-how-long-will-it-take-for-90-c-of-charge-to-flow-through-it
If a lightbulb has a current of ${1.2}{A}$ flowing through it, how long will it take for ${90}{C}$ of charge to flow through it?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2594/if-a-lightbulb-has-a-current-of-1-2-a-flowing-through-it-how-long-will-it-take-for-90-c-of-charge-to-flow-through-itWed, 28 Aug 2019 06:19:11 +0000If a battery supplies a current of ${0.8}{A}$ for ${28}{s}$, what charge has flowed?
https://mathsgee.com/qna/2592/if-a-battery-supplies-a-current-of-0-8-a-for-28-s-what-charge-has-flowed
If a battery supplies a current of ${0.8}{A}$ for ${28}{s}$, what charge has flowed?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2592/if-a-battery-supplies-a-current-of-0-8-a-for-28-s-what-charge-has-flowedWed, 28 Aug 2019 06:14:09 +0000If a ${9}{V}$ battery is connected to a circuit of resistance ${45}{\Omega}$, what current flows?
https://mathsgee.com/qna/2589/if-a-9-v-battery-is-connected-to-a-circuit-of-resistance-45-omega-what-current-flows
If a ${9}{V}$ battery is connected to a circuit of resistance ${45}{\Omega}$, what current flows?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2589/if-a-9-v-battery-is-connected-to-a-circuit-of-resistance-45-omega-what-current-flowsWed, 28 Aug 2019 06:09:53 +0000Determine the energy required to move the electron.
https://mathsgee.com/qna/2450/determine-the-energy-required-to-move-the-electron
A potential difference of 20 V is given to an electron. (me = 9.11 x 10 -31 kg)<br />
<br />
a.) Determine the energy required to move the electron.<br />
<br />
b.) If starting from rest, how fast will the electron move after given this energy?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2450/determine-the-energy-required-to-move-the-electronTue, 27 Aug 2019 00:18:59 +0000Moving a charge of +10e requires 9.6 x 10 -18 J of energy. Determine the potential difference needed to move this charge.
https://mathsgee.com/qna/2449/moving-a-charge-of-10e-requires-9-6-x-10-18-j-of-energy-determine-the-potential-difference-needed-to-move-this-charge
<p>Moving a charge of +10<em>e</em> requires 9.6 x 10 -18 J of energy. Determine the potential difference needed to move this charge.</p>Grade 12 Physical Scienceshttps://mathsgee.com/qna/2449/moving-a-charge-of-10e-requires-9-6-x-10-18-j-of-energy-determine-the-potential-difference-needed-to-move-this-chargeTue, 27 Aug 2019 00:18:17 +0000Moving a point charge of 3.2 x 10 -19 coulomb between two points in an electric field requires 4.8 x 10 -18 joule of energy. What is the potential difference between these points?
https://mathsgee.com/qna/2448/moving-a-point-charge-of-3-2-x-10-19-coulomb-between-two-points-in-an-electric-field-requires-4-8-x-10-18-joule-of-energy-what-is-the-potential-difference-between-these-points
Moving a point charge of 3.2 x 10 -19 coulomb between two points in an electric field requires 4.8 x 10 -18 joule of energy. What is the potential difference between these points?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2448/moving-a-point-charge-of-3-2-x-10-19-coulomb-between-two-points-in-an-electric-field-requires-4-8-x-10-18-joule-of-energy-what-is-the-potential-difference-between-these-pointsTue, 27 Aug 2019 00:17:26 +0000A coffee maker using a 120-V outlet is turned on for 30 minutes. If the maker uses 5,000 J of energy, determine the current running through the coffee maker.
https://mathsgee.com/qna/2430/a-coffee-maker-using-a-120-v-outlet-is-turned-on-for-30-minutes-if-the-maker-uses-5-000-j-of-energy-determine-the-current-running-through-the-coffee-maker
A coffee maker using a 120-V outlet is turned on for 30 minutes. If the maker uses 5,000 J of energy, determine the current running through the coffee maker.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2430/a-coffee-maker-using-a-120-v-outlet-is-turned-on-for-30-minutes-if-the-maker-uses-5-000-j-of-energy-determine-the-current-running-through-the-coffee-makerTue, 27 Aug 2019 00:00:23 +0000A lightning strike hits the ground with a current of 30,000 A. If the ground has a resistance of 3,000 Ω, determine how much electrical energy is exerted by the lightning strike in 0.02 s.
https://mathsgee.com/qna/2429/a-lightning-strike-hits-the-ground-with-a-current-of-30-000-a-if-the-ground-has-a-resistance-of-3-000-determine-how-much-electrical-energy-is-exerted-by-the-lightning-strike-in-0-02-s
A lightning strike hits the ground with a current of 30,000 A. If the ground has a resistance of 3,000 Ω, determine how much electrical energy is exerted by the lightning strike in 0.02 s.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2429/a-lightning-strike-hits-the-ground-with-a-current-of-30-000-a-if-the-ground-has-a-resistance-of-3-000-determine-how-much-electrical-energy-is-exerted-by-the-lightning-strike-in-0-02-sMon, 26 Aug 2019 23:59:55 +0000A hair dryer with a resistance of 30 Ω is plugged into a 120-volt socket. If the hair dryer is used for 10 minutes, how much electrical energy is used?
https://mathsgee.com/qna/2428/a-hair-dryer-with-a-resistance-of-30-is-plugged-into-a-120-volt-socket-if-the-hair-dryer-is-used-for-10-minutes-how-much-electrical-energy-is-used
A television using 1,000 W of power is turned on for 40 minutes. How much energy is expended by the television during this time?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2428/a-hair-dryer-with-a-resistance-of-30-is-plugged-into-a-120-volt-socket-if-the-hair-dryer-is-used-for-10-minutes-how-much-electrical-energy-is-usedMon, 26 Aug 2019 23:59:22 +0000A light bulb rated at 60 W uses 5,000 J of electrical energy. How long has the light bulb been turned on for?
https://mathsgee.com/qna/2427/a-light-bulb-rated-at-60-w-uses-5-000-j-of-electrical-energy-how-long-has-the-light-bulb-been-turned-on-for
A television using 1,000 W of power is turned on for 40 minutes. How much energy is expended by the television during this time?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2427/a-light-bulb-rated-at-60-w-uses-5-000-j-of-electrical-energy-how-long-has-the-light-bulb-been-turned-on-forMon, 26 Aug 2019 23:58:50 +0000A television using 1,000 W of power is turned on for 40 minutes. How much energy is expended by the television during this time?
https://mathsgee.com/qna/2426/a-television-using-1-000-w-of-power-is-turned-on-for-40-minutes-how-much-energy-is-expended-by-the-television-during-this-time
A television using 1,000 W of power is turned on for 40 minutes. How much energy is expended by the television during this time?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2426/a-television-using-1-000-w-of-power-is-turned-on-for-40-minutes-how-much-energy-is-expended-by-the-television-during-this-timeMon, 26 Aug 2019 23:58:27 +0000A cell phone charger requires 100 W of power. If the charger has a resistance of 20 Ω, determine the potential difference used to charge the phone.
https://mathsgee.com/qna/2424/a-cell-phone-charger-requires-100-w-of-power-if-the-charger-has-a-resistance-of-20-determine-the-potential-difference-used-to-charge-the-phone
A cell phone charger requires 100 W of power. If the charger has a resistance of 20 Ω, determine the potential difference used to charge the phone.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2424/a-cell-phone-charger-requires-100-w-of-power-if-the-charger-has-a-resistance-of-20-determine-the-potential-difference-used-to-charge-the-phoneMon, 26 Aug 2019 23:57:06 +0000The power used by a television is 600 W. If the television has a resistance of 100 Ω, determine the current that runs through the television.
https://mathsgee.com/qna/2423/the-power-used-by-a-television-is-600-w-if-the-television-has-a-resistance-of-100-determine-the-current-that-runs-through-the-television
The power used by a television is 600 W. If the television has a resistance of 100 Ω, determine the current that runs through the television.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2423/the-power-used-by-a-television-is-600-w-if-the-television-has-a-resistance-of-100-determine-the-current-that-runs-through-the-televisionMon, 26 Aug 2019 23:56:37 +0000A current of 0.8 A travels through a computer using a potential difference of 240 V. Determine the electrical power used by the computer.
https://mathsgee.com/qna/2422/a-current-of-0-8-a-travels-through-a-computer-using-a-potential-difference-of-240-v-determine-the-electrical-power-used-by-the-computer
A current of 0.8 A travels through a computer using a potential difference of 240 V. Determine the electrical power used by the computer.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2422/a-current-of-0-8-a-travels-through-a-computer-using-a-potential-difference-of-240-v-determine-the-electrical-power-used-by-the-computerMon, 26 Aug 2019 23:56:11 +0000A refrigerator with a resistance of 200 Ω has 0.5 A running through it. Determine the potential difference used to operate the refrigerator.
https://mathsgee.com/qna/2418/a-refrigerator-with-a-resistance-of-200-has-0-5-a-running-through-it-determine-the-potential-difference-used-to-operate-the-refrigerator
A refrigerator with a resistance of 200 Ω has 0.5 A running through it. Determine the potential difference used to operate the refrigerator.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2418/a-refrigerator-with-a-resistance-of-200-has-0-5-a-running-through-it-determine-the-potential-difference-used-to-operate-the-refrigeratorMon, 26 Aug 2019 23:53:53 +0000A toaster with a resistance of 300 Ω is connected to a 120 V source. Determine the current that runs through the wire.
https://mathsgee.com/qna/2417/a-toaster-with-a-resistance-of-300-is-connected-to-a-120-v-source-determine-the-current-that-runs-through-the-wire
A toaster with a resistance of 300 Ω is connected to a 120 V source. Determine the current that runs through the wire.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2417/a-toaster-with-a-resistance-of-300-is-connected-to-a-120-v-source-determine-the-current-that-runs-through-the-wireMon, 26 Aug 2019 23:53:24 +0000A lamp is connected to a 24-volt source which provides a current of 0.4 ampere. What is the resistance of the lamp?
https://mathsgee.com/qna/2416/a-lamp-is-connected-to-a-24-volt-source-which-provides-a-current-of-0-4-ampere-what-is-the-resistance-of-the-lamp
A lamp is connected to a 24-volt source which provides a current of 0.4 ampere. What is the resistance of the lamp?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2416/a-lamp-is-connected-to-a-24-volt-source-which-provides-a-current-of-0-4-ampere-what-is-the-resistance-of-the-lampMon, 26 Aug 2019 23:52:58 +0000