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%
From NCERT
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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 |
 75%
From NCERT
AIPMT - 2002
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The electrostatic potential on the surface of a charged conducting sphere is \(100~\text{V}\). Two statements are made in this regard.
Statement I: At any point inside the sphere, electric intensity is zero.
Statement II: At any point inside the sphere, the electrostatic potential is \(100~\text{V}\).

 
Which of the following is a correct statement?

1. Statement I is True but Statement II is False.
2. Both Statement I and Statement II are False.
3. Statement I is True, Statement II is also True and Statement I is the cause of Statement II.
4. Statement I is True, Statement II is also True but the statements are independent.
Subtopic:  Electrostatic Shielding |
 60%
From NCERT
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