- 1(current)
Q. No.Given below are two statements:
| Assertion (A): | Radio transmitters do not work satisfactorily when used inside a railway carriage. |
| Reason (R): | Railway carriage is made of iron which acts as Faraday cages. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Electrostatic Shielding |
 89%
Level 1: 80%+
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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: Â Electrostatic Shielding |
 88%
Level 1: 80%+
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If a conductor has a potential \(V\neq 0\) and there are no charges anywhere else outside, then:
| (a) | there must be charges on the surface or inside itself |
| (b) | there cannot be any charge in the body of the conductor |
| (c) | there must be charges only on the surface |
| (d) | there must be charges inside the surface |
Choose the correct option:
1. (a), (d)
2. (a), (b), (c)
3. (a), (b)
4. (a), (b), (c), (d)
Subtopic: Â Electrostatic Shielding |
Level 3: 35%-60%
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- 1(current)
Q. No.
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