An electric coil of resistance must generate of heat energy

PHYSICS · Subjective · CBSE · Physics · Electricity · Electricity

Problem

An electric coil of resistance 15 Ω15\,\Omega must generate 9.0×104 J9.0\times10^{4}\,\text{J} of heat energy. If a steady current of 10 A10\,\text{A} flows through it, determine the time for which the coil should be switched on.

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