Electrostatic Potential and Capacitance

AIPMT 2002MCQEasy📈 Topic in 50% papers+4−1

Ques. 1AIPMT 2002

Some charge is being given to a conductor. Then its potential is

maximum at surface
maximum at centre
remains same throughout the conductor
maximum somewhere between surface and centre.

Answer

(3) remains same throughout the conductor

Solution

As per NCERT, in electrostatics the electric field inside a conductor is zero.

E = - dVdr = 0 inside V = constant

The potential is the same throughout the volume of the conductor and equal to that on its surface.

Answer: (3)

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Ques. 2AIPMT 2002

A capacitor of capacity C1 charged up to V volt and then connected to an uncharged capacitor of capacity C2. The final potential difference across each will be

C1VC1+C2
C2VC1+C2
(1- C2C1 )V
(1+ C2C1 )V

Ques. 3AIPMT 2001

Energy per unit volume for a capacitor having area A and separation d kept at potential difference V is given by

12 0 V2d2
12 0 V2d2
12CV2
Q22C

Ques. 4AIPMT 2000

A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor of same capacity is connected in parallel to the first capacitor. Then energy stored in each capacitor is

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