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If a ${9}{V}$ battery is connected to a circuit of resistance ${45}{\Omega}$, what current flows?
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I = V/R

= 9/45

= 0.2A
by Wooden (358 points)
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R = 45 OHMS     V = 9 V    I = ?

R = V / I

I = V / R

I = 9 / 45

I = 0.2 A
by Wooden (1k points)

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