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a 45 W light bulb that has a current of 0.38 A? the current drawn by a 4.0 W flashlight bulb that uses a 12 V battery?

2007-04-22 04:06:22 · 2 answers · asked by Anonymous in Science & Mathematics Physics

2 answers

That is just basic ohm's law!

E = IR
P = IE

Apply those formulas or variations of it to arrive at the answer.

2007-04-22 04:10:27 · answer #1 · answered by tkquestion 7 · 0 0

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2016-05-21 00:56:33 · answer #2 · answered by cherly 3 · 0 0

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