1 |
Net charge enclosed by Gaussian surface is: |
- A. zero
- B. maximum
- C. depend on intensity
- D. none of all
|
2 |
An electric field cannot deflect |
- A. X-rays
- B. a-particles
- C. ß-particles
- D. None of these
|
3 |
the force between two charge is 28 N. If paraffin wax of relative permittivity 2.8 is introduced between the charges as medium, then the force reduces to. |
- A. 25 N
- B. 20 N
- C. 10 N
- D. 15 N
|
4 |
Electric flux is a |
- A. Vector quantity
- B. Scalar quantity
- C. Both (a) and (b)
- D. None of above
|
5 |
Coulomb /volt is called. |
- A. Farad
- B. Ampere
- C. Joule
- D. Henry
|
6 |
The net charge on a capacitor magnitude of charge of charge |
- A. Infinity
- B. 2 q
- C. Q/2
- D. Zero
|
7 |
Electron volt is the unit of. |
- A. Potential
- B. Potential difference
- C. Electric current
- D. Electric energy
|
8 |
Concept of electric field lines was given by: |
- A. Michelson
- B. Henry
- C. Michael faraday
- D. Oersted
|
9 |
Charge on electron is |
- A. 1.6 x 10<sup>-19</sup> C
- B. 1.6 x 10<sup>19</sup>C
- C. 1.6 x 10<sup>-17</sup>C
- D. 1.6 x 10<sup>17</sup>C
|
10 |
The absolute electric potential at a point distance 20 cm from a charge of 2 uC is. |
- A. 9 x 10<sup>2</sup> V
- B. 9 x 10<sup>3</sup> V
- C. 9 x 10<sup>4</sup> V
- D. 9 x 10 <sup>5</sup> V
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