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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