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A conductor carrying 1 ampere produces 2000 J of heat. If the current is doubled

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1. A conductor carrying 1 ampere produces 2000 J of heat. If the current is doubled, how much heat is produced in the same time?

2000 J

4000 J

8000 J

1000 J

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Since heat is proportional to current squared, doubling the current quadruples the heat: 2000 J × 4 = 8000 J.

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