Which of the following statements is correct regarding the electrostatics of conductors?

1. The interior of the conductor with no cavity can have no excess charge in the static situation.
2. The electrostatic potential is constant throughout the volume of the conductor.
3. The electrostatic potential has the same value inside as that on its surface.
4. All of the above statements are correct.
Subtopic:  Electrostatic Shielding |
 88%
Level 1: 80%+
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Some charge is being given to a conductor. Then it's potential:

1. is maximum at the surface.
2. is maximum at the centre.
3. remains the same throughout the conductor.
4. is maximum somewhere between the surface and the centre.

Subtopic:  Electrostatic Shielding |
 76%
Level 2: 60%+
AIPMT - 2002
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A thin, metallic spherical shell contains a charge \(\mathrm{Q}\) on it. A point charge \(\mathrm{q}\) is placed at the centre of the shell and another charge \(\mathrm{q}_1\) is placed outside as it is shown in the figure. All the three charges are positive. The force on the charge at the centre is:
         
1. towards left
2. towards right
3. upward
4. zero

Subtopic:  Electrostatic Shielding |
 66%
Level 2: 60%+
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