calculate the power of a portable radio that operates on a 24 V and draws 2.2 A of current?the reistence of:?

Question

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?

Answer 1

That is just basic ohm's law!

E = IR
P = IE

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

Answer 2

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