JEE · NEET Previous Year Question

The potential energy of charged parallel plate capacitor is . If a slab of dielectric constant is inserted between the plates, then the new potential energy will be

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: A

Solution

(a) As, energy stored
When dielectric is inserted, energy stored,

On dividing equation (ii) by equation (i)

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