A wire of resistance dissipates power when a current passes through it

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

Problem

32. A wire of resistance RR dissipates power PP when a current II passes through it. The wire is replaced by another wire with resistance 3R3 R. The power dissipated by the new wire when the same current passes through it is (A) P/9\mathrm{P} / 9 (B) P/3\mathrm{P} / 3 (C) P (D) 3 P

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