MathsGee Skills Question and Answer Bank - Recent questions tagged voltage
https://mathsgee.com/qna/tag/voltage
Powered by Question2AnswerPlot a graph between concentration of electrolyte and voltage of a lead acid battery.
https://mathsgee.com/qna/15248/plot-a-graph-between-concentration-of-electrolyte-and-voltage-of-a-lead-acid-battery
Plot a graph between concentration of electrolyte and voltage of a lead acid battery.Form 6 Chemistryhttps://mathsgee.com/qna/15248/plot-a-graph-between-concentration-of-electrolyte-and-voltage-of-a-lead-acid-batterySat, 13 Jun 2020 23:34:18 +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 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 +0000What is the difference between voltage, electric potential, electric potential energy, potential difference, electromotive force, and terminal voltage?
https://mathsgee.com/qna/11604/what-is-the-difference-between-voltage-electric-potential-electric-potential-energy-potential-difference-electromotive-force-and-terminal-voltage
What is the difference between voltage, electric potential, electric potential energy, potential difference, electromotive force, and terminal voltage?General Mathshttps://mathsgee.com/qna/11604/what-is-the-difference-between-voltage-electric-potential-electric-potential-energy-potential-difference-electromotive-force-and-terminal-voltageWed, 20 May 2020 22:04:29 +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 +0000What are the CAN physical layer voltage levels?
https://mathsgee.com/qna/4996/what-are-the-can-physical-layer-voltage-levels
What are the CAN physical layer voltage levels?Automotivehttps://mathsgee.com/qna/4996/what-are-the-can-physical-layer-voltage-levelsThu, 17 Oct 2019 07:45:02 +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 +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 +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 charge of ${2}{C}$ flows through an ammeter in ${5}{s}$, what will the current read?
https://mathsgee.com/qna/2590/if-a-charge-of-2-c-flows-through-an-ammeter-in-5-s-what-will-the-current-read
If a charge of ${2}{C}$ flows through an ammeter in ${5}{s}$, what will the current read?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2590/if-a-charge-of-2-c-flows-through-an-ammeter-in-5-s-what-will-the-current-readWed, 28 Aug 2019 06:11:47 +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 +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 +0000Determine the power used by a light bulb with a potential difference of 120 V and a resistance of 5 Ω.
https://mathsgee.com/qna/2421/determine-the-power-used-by-a-light-bulb-with-a-potential-difference-of-120-v-and-a-resistance-of-5
Determine the power used by a light bulb with a potential difference of 120 V and a resistance of 5 Ω.Grade 12 Physical Scienceshttps://mathsgee.com/qna/2421/determine-the-power-used-by-a-light-bulb-with-a-potential-difference-of-120-v-and-a-resistance-of-5Mon, 26 Aug 2019 23:55:48 +0000Is a volt-ampere equal to a watt?
https://mathsgee.com/qna/2420/is-a-volt-ampere-equal-to-a-watt
Is a volt-ampere equal to a watt?Grade 12 Physical Scienceshttps://mathsgee.com/qna/2420/is-a-volt-ampere-equal-to-a-wattMon, 26 Aug 2019 23:55:06 +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