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Question 31538
JEE Physics · Hard

Capacitance: Maximum Energy Transfer MCQ

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Maximum Energy TransferHardQuestion 31538

Question

A battery of emf E and internal resistance r charges a capacitor C. Energy dissipated in resistance is:
  1. A
    Zero
  2. B
    Same as stored in C
    Correct
  3. C
    CE²
  4. D
    ½CE²

Correct answer

Same as stored in C

Explanation

Battery provides total energy CE² (charge CE × voltage E). Half (½CE²) is stored in capacitor and exactly half is dissipated in resistance regardless of r.

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