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NEETPhysicsCapacitance

Which of the following best describes how the capacitance changes when a slab of material with a dielectric constant K, having the same area as the plates of a parallel-plate capacitor but with a thickness of (3/4)d (where d is the separation of the plates), is inserted between the plates?

Options

  1. AThe capacitance increases by a factor of 4K/(3+K).
  2. BThe capacitance decreases by a factor of (K+4)/3K.
  3. CThe capacitance remains the same.
  4. DThe capacitance increases by a factor of (K+3)/4K.

Correct answer

A. The capacitance increases by a factor of 4K/(3+K).

Step-by-step solution

Correct Option is : (A) The capacitance increases by a factor of 4K/(3+K).

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