An 19.5 W device has 9.30 V across it. How much charge goes through the device in 4.15 h?
1
Expert's answer
2018-03-26T10:10:07-0400
The power P=IV So, the current through device I=P/V=19.5/9.30=2.01 A The amount of charge goes through the device q=It=2.01×4.15×3600=3.00×〖10〗^4 C=30.0 kC
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