| 1 |
Presence of dielectric always. |
- A. Increase the electrostatic force
- B. Reduces the electrostatic force
- C. Do not effect electrostatic force
- D. Doubles the electrostatic force
|
| 2 |
Electro encephalon graph is the diagnostic test for the working of. |
- A. Eye
- B. Heart
- C. Brain
- D. Lungs
|
| 3 |
A charge on 4 coulomb is in the field of intensity 4N/C the force on the charge is. |
- A. Uniform
- B. Non uniform
- C. Weak
- D. Strong
|
| 4 |
Capacitance of a capacitor does not depend upon. |
- A. Distance between plates
- B. Area of plates
- C. Electric field between plates
- D. Medium between plates
|
| 5 |
The electric field created by positive charge is |
- A. Radially inward
- B. Zero
- C. Circular
- D. Radially outward
|
| 6 |
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
|
| 7 |
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
|
| 8 |
Which one of the following is correct |
- A. <br>
- B.
- C.
- D. All of above
|
| 9 |
Selenium is a |
- A. Insulator
- B. Photoconductor
- C. Conductor
- D. First insulator then conductor
|
| 10 |
Which one is photo conductor. |
- A. Copper
- B. Selenium
- C. Mercury
- D. Aluminium
|