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Current Electricity

JEE Main level, single correct, medium

271 of 380

Question 271 of 380

A 220 volt, 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be

Show answer and solution

Answer: (C) $250 \mathrm{watt}$

\mathrm{p}=\frac{\mathrm{V}^2}{\mathrm{R}}

\mathrm{R}=\frac{(220)^2}{1000}

Power consumed

=\frac{\mathrm{V}^2}{\mathrm{R}}=\frac{110 \times 110}{220 \times 220} \times 1000=250

watt

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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JEE Main Physics practice question on Current Electricity (Electric Power and Heating Effect of Current), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.