Q

A wire of resistance 10 ohms is connected to a 12 V battery. If another identical wire is connected in parallel to the first, what is the total power consumed by both wires together?

RRB Group D 11 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: A 28.8 W
Two identical 10 Ω wires in parallel give 5 Ω total resistance. Thus P = V²/R = 12²/5 = 28.8 W.
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