| 1 |
The quantity time constant RC has units of. |
- A. Charge
- B. Time
- C. Capacitance
- D. Resistance
|
| 2 |
The leV = |
- A. 1.6x10-19C
- B. 1.6x10-11J
- C. 1.6x10-19J
- D. 1.6x10-11C
|
| 3 |
A capacitor stores energy in the form of. |
- A. Magnetic field
- B. Heat energy
- C. Electrical energy
- D. Mechanical energy
|
| 4 |
A proton is about 1840 time than an electron. When it is accelerated by a potencial difference if 1 kV, its kinetic energy will be: |
- A. 1884 ke V
- B. 1/1840 keV
- C. 1 keV
- D. 920 keV
|
| 5 |
SI unit of electric flux is. |
- A. NmC<sup>1</sup>
- B. Nm<sup>-1</sup> C<sup>1</sup>
- C. Nm<sup>2</sup>C<sup>-1</sup>
- D. Nm<sup>3</sup>C<sup>2</sup>
|
| 6 |
If the distance between the two charged bodies is halved, the force between them becomes. |
- A. Double
- B. Half
- C. Four times
- D. One times
|
| 7 |
Due to polarization, electric field E. |
- A. Increase
- B. Decrease
- C. First increases then decreases
- D. Remain same
|
| 8 |
Electric intensity due to an infinite sheet of charge is: |
- A. ∂/2ε<sub>∘</sub>
- B. ∂/rε<sub>∘</sub>
- C. ∂/r2ε<sub>∘</sub>
- D. none of these
|
| 9 |
The electric intensity due to two oppositely charged plates is |
- A.
- B.
- C.
- D. None of these
|
| 10 |
Flux through any closed surface is: |
- A. 1/ε<sup>2</sup><sub>∘</sub> times the total charge enclosed in it
- B. ε<sup>2</sup><sub>∘</sub> time the total charge enclosed in it
- C. 1/ε<sub>∘</sub> ties the total charge enclosed in ti
- D. ε<sub>∘</sub> time the total charge enclosed in it
|
