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Electrostatic Potential and Capacitance · Question 71

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

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

  1. maximum at surface
  2. maximum at centre
  3. remains same throughout the conductor
  4. 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)

AIPMT 2002

Keep practising — Electrostatic Potential and Capacitance

2

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

  1. C1VC1+C2
  2. C2VC1+C2
  3. (1- C2C1 )V
  4. (1+ C2C1 )V
AIPMT 2002
3

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

  1. 12 0 V2d2
  2. 12 0 V2d2
  3. 12CV2
  4. Q22C
AIPMT 2001
4

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

  1. U/2
  2. U/4
  3. 4U
  4. 2U
AIPMT 2000

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