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[Solved] In 10 s, a charge of 25 C leaves a battery, and 200 j of energy are delivered to an outside circuit as a result. (a) What is the p.d. across the battery? (b) What current flows from the battery?
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14/07/2021 4:07 pm
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In 10 s, a charge of 25 C leaves a battery, and 200 j of energy are delivered to an outside circuit as a result.
(a) What is the p.d. across the battery?
(b) What current flows from the battery?
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14/07/2021 4:11 pm
t = 10 s, Q = 25 C, Energy delivered = work done = 200 J
(a) P.d = work done/charge moved = 200/25 = 8 V
(b) I = Q/t = 25/10 = 2.5 A
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