Home Physics Electrostatics Potential & Capacitance Capacitance A conducting sphere of radius 10cm is charge…
Physics Electrostatics Potential & Capacitance Capacitance MCQ (Single Correct)

A conducting sphere of radius 10cm is charged . Another uncharged sphere of radius 20 cm is allowed to touch it for some time. After that if the sphere are separated, then surface density of charges, on the spheres will be in the ratio of

A
1 : 4
B
1 : 3
C
2 : 1
D
1 : 1

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Text Solution

Verified by Experts
The correct answer is:
C

After redistribution new charges on spheres are

and

Ratio of charge densities

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