A small desk fan draws a constant of electrical power while running

PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity

Problem

A small desk fan draws a constant 12 W12\,\text{W} of electrical power while running. If the fan runs continuously for 30 min30\,\text{min}, approximately how much electrical energy does it convert? (a) 1.3×104 J1.3\times10^{4}\,\text{J} (b) 3.6×104 J3.6\times10^{4}\,\text{J} (c) 2.2×104 J2.2\times10^{4}\,\text{J} (d) 7.2×104 J7.2\times10^{4}\,\text{J}

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