| 1 |
The electric intensity due to two oppositely charged plates is |
- A.
- B.
- C.
- D. None of these
|
| 2 |
Electric potencial of earth is taken to be zero because the earth is good: |
- A. Semiconductor
- B. Conductor
- C. Insulator
- D. Dielectric
|
| 3 |
The electrical intensity is equal to: |
- A. -Δr/Δv
- B. Δv/Δr
- C. Δv/Δv
- D. -Δv/Δr
|
| 4 |
Gauss's law can only be applied to. |
- A. A curved surface
- B. A flat surface
- C. A closed surface
- D. A surface of any shape
|
| 5 |
The total flux through a closed surface. |
- A. Directly proportional to shape and geometry
- B. Independent of medium
- C. Depend on shape and geometry
- D. Dependent on medium and the charge enclosed
|
| 6 |
One electron volt is equal to. |
- A. 1.6 x 10<sup>-19</sup> Joule
- B. 1.6 x 10<sup>-19</sup>Coulomb
- C. 1.6 x 10<sup>-12</sup>N
- D. 1.6 x 10<sup>18</sup>Joule
|
| 7 |
Two opposite point charge of same magnitude separated by distance 2d, electric potential mid way between them is. |
- A. 1 V
- B. 2 V
- C. Zero
- D. V/2
|
| 8 |
The SI unit of relative permittivity is. |
- A. Fm-1
- B. C2N-1m-2
- C. Nm2C-2
- D. No unit
|
| 9 |
A capacitor stores energy in the form of. |
- A. Magnetic field
- B. Heat energy
- C. Electrical energy
- D. Mechanical energy
|
| 10 |
If the separation between the plates of a capacitor is doubled then its capacitance become. |
- A. Double
- B. Half
- C. One fourth
- D. Three times
|