- 1(current)
Q. No.A dielectric slab is inserted between the plates of an isolated capacitor. The force between the plates will:
1. increase
2. decrease
3. remain unchanged
4. become zero
Two metal plates having charges \(Q,\) \(-Q\) face each other at some separation and are dipped into an oil tank. If the oil is pumped out, the electric field between the plates will:
1. increase
2. decrease
3. remain the same
4. become zero
A dielectric slab is inserted between the plates of an isolated charged capacitor. Which of the following quantities will remain the same?
| a. | the electric field in the capacitor |
| b. | the charge on the capacitor |
| c. | the potential difference between the plates |
| d. | the stored energy in the capacitor |
Choose the correct option:
1. (a), (b)
2. (b) only
3. (c), (a)
4. (a), (d)
| a. | \(Q'\) may be larger than \(Q.\) |
| b. | \(Q'\) must be larger than \(Q.\) |
| c. | \(Q'\) must be equal to \(Q.\) |
| d. | \(Q'\) must be smaller than \(Q.\) |
Choose the correct option:
| 1. | (a), (b) |
| 2. | (b), (c) |
| 3. | (d) only |
| 4. | (a), (d) |
A parallel-plate capacitor is connected to a battery. A metal sheet of negligible thickness is placed between the plates. The sheet remains parallel to the plates of the capacitor.
(a) The battery will supply more charge.
(b) The capacitance will increase.
(c) The potential difference between the plates will increase.
(d) Equal and opposite charges will appear on the two faces of the metal plate
Choose the correct option
1. (a) , (b)
2. (b) , (c)
3. (d) only
4. (a) , (d)
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.