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JEE PHYSICS MCQ: CURRENT ELECTRICITY

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Application +4 | -1
Two identical heater filaments are connected first in parallel and then in series. At the same applied voltage, the ratio of heat produced in same time for parallel to series will be:
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Correct option: B
4:14: 1
Option B (4:14: 1) is correct because the power in parallel is four times the power in series when the voltage is the same.

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