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Physics-Electric Potential

NEET Physics Electric Potential MCQ Question

Type: MCQ-numerical-Medium-Class 12

What is the electric field at the surface of a charged conductor with a surface charge density $\sigma$ ?

A

$\frac{\sigma}{\varepsilon_0}$

B

$\frac{\sigma^2}{2\varepsilon_0}$

C

$\varepsilon_0 \sigma$

D

$\frac{2\sigma}{\varepsilon_0}$

Correct Answer

Option A

Detailed Explanation

The electric field at the surface of a charged conductor is given by the formula $E = \frac{\sigma}{\varepsilon_0}$ , as stated in the NCERT text.

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