38. An electric toy with a resistance of 2.50 is operated by a 3.00-V battery....

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38. •• An electric toy with a resistance of 2.50 Ω is operated by a 3.00-V battery.

(a) What current does the toy draw?

(b) Assuming that the battery delivers a steady current for its lifetime of 4.00 h, how much charge passed through the toy in that time?

(c) How much energy was delivered to the toy in that time?

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