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Question 31614
JEE Physics · Medium

Current Electricity: Power Dissipation MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Power DissipationMediumQuestion 31614

Question

Power dissipated in a resistor of resistance R carrying current I is:
  1. A
    IR
  2. B
    I²R
    Correct
  3. C
    I/R
  4. D
    I²/R

Correct answer

I²R

Explanation

P = I²R = V²/R = IV. All three forms are equivalent; use the version matching given quantities.

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