- 1(current)
Q. No.Which of the following statements is correct regarding electrostatics of conductors?
| 1. | The interior of the conductor with no cavity can have no excess charge in the static situation. |
| 2. | Electrostatic potential is constant throughout the volume of the conductor. |
| 3. | Electrostatic potential has the same value inside as that on its surface. |
| 4. | All of these. |
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A conducting sphere of radius R is given a charge Q. The electric potential and field at the center of the sphere respectively are:
| 1. | Zero and \(\mathrm{Q} / 4 \pi \varepsilon_{\mathrm{o}} \mathrm{R}^2\) |
| 2. | \(\mathrm{Q} / 4 \pi \varepsilon_{\mathrm{O}} \mathrm{R}\) and zero |
| 3. | \(\mathrm{Q} / 4 \pi \varepsilon_{\mathrm{O}} \mathrm{R}\) and \(\mathrm{Q} / 4 \pi \varepsilon_{\mathrm{o}} \mathrm{R}^2\) |
| 4. | Both are zero |
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Two concentric metallic spherical shells A and B of radii a and b respectively (b>a) are arranged such that outer shell is earthed and inner shell is charged to Q. Charge on the outer surface of outer shell will be:
1.
2.
3. -Q
4. zero
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Two concentric conducting spherical shells carry charge Q each. The inner shell is earthed. The charge that flows into the earth is:
1. Q
2.
3.
4.
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- 1(current)
Q. No.
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