Physics Electrostatics Potential & Capacitance Conductor, It's Properties & Electric Pressure MCQ (Single Correct)

A long hollow conducting cylinder is kept coaxially inside another long, hollow conducting cylinder of larger radius. Both the cylinders are initially electrically neutral.

A
A potential difference appears between the two cylinders when a charge density is given to the inner cylinder.
B
A potential difference appears between the two cylinders when a charge density is given to the outer cylinder.
C
No potential difference appears between the two cylinders when a uniform line charge is kept along the axis of the cylinders.
D
No potential difference appears between the two cylinders when same charge density is given to both the cylinders.

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Text Solution

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The correct answer is:
A

When inner cylinder is charged (outer cylinder may or may not be charged) an electric field will be present in the gap between the cylinders which will produce a potential difference.

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