Physics-Potential Difference

NEET Physics Potential Difference MCQ Question

Type: MCQ-numerical-Easy-Class 12

What is the potential difference across the plates of a capacitor with a dielectric, given that the surface charge density s is twice the polarization surface charge density sp?

A

s/ε₀

B

s/2ε₀

C

(s - sp)/ε₀

D

(s + sp)/ε₀

Correct Answer

Option C

Detailed Explanation

According to the NCERT context, the potential difference across the plates of a capacitor with a dielectric is given by V = (σ - σp)d/ε₀. Since the question specifies s = 2sp, the potential difference simplifies to (s - sp)/ε₀.

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