- 1(current)
Q. No.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. |
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| 1. | Zero and \({Q} / 4 \pi \varepsilon_{0} {R}^2\) |
| 2. | \({Q} / 4 \pi \varepsilon_{0} {R}\) and zero |
| 3. | \({Q} / 4 \pi \varepsilon_{0} {R}\) and \({Q} / 4 \pi \varepsilon_{0}{R}^2\) |
| 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. \(- \frac{Q a}{b}\)
2. \(Q \left[1 - \frac{a}{b}\right]\)
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. | \(\frac{3Q}{2}\) |
| 3. | \(\frac{-Q}{2}\) | 4. | \(\frac{-3Q}{2}\) |
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- 1(current)
Q. No.
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