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How is the electric field at the surface of a charged conductor related to the surface charge density?

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in Physics – Class 12 by (135k points)
How is the electric field at the surface of a charged conductor related to the surface charge density?

(a) Proportional to each other

(b) Indirectly proportional

(c) Independent

(d) Exponential

I have been asked this question in my homework.

The question is from Electrostatics of Conductors in section Electrostatic Potential and Capacitance of Physics – Class 12

1 Answer

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Best answer
Correct answer is (a) Proportional to each other

To elaborate: The electric field at the surface of a charged conductor is proportional to the surface charge density. The electric field is zero inside the conductor and just outside, it is normal to the surface. The contribution to the total flux comes only from its outer cross-section.

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