Hw help: A portable CD player used two 1.5 V batteries. If the current in the CD player is 2.93 A, what is its resistance?
回答 (1)
2018-04-13 8:15 am
✔ 最佳答案
Are the batteries in parallel or series??? probably series .. total V = 3V = IR
R = V/I = 3/2.93 ~ 1 ohm ... use a calculator to get a decimal answer
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