| 1 |
If the distance between two charges is halved and charges are also doubled, then force between them will be. |
- A. Two time
- B. Four time
- C. Eight time
- D. Sixteen time
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| 2 |
A capacitor stores energy in the form of. |
- A. Magnetic field
- B. Heat energy
- C. Electrical energy
- D. Mechanical energy
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| 3 |
Two oppositely charged balls A and B attract the third ball C, when placed near them turn by turn The third ball C must be. |
- A. Positively charged
- B. Negatively charged
- C. Electrically neutral
- D. Positively and negatively charged
|
| 4 |
One joule is equal to. |
- A. 1.6 x 10<sup>19</sup> eV
- B. 1.6 x 10<sup>-19</sup> eV
- C. 6.25 x 10<sup>-18</sup> eV
- D. 6.25 x 10 <sup>18</sup> eV
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| 5 |
Coulomb's force is: |
- A. Conservative force
- B. None conservative force
- C. Similar to frictional force
- D. None of the above
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| 6 |
Farad is defined as |
- A. "Coulomb/Volt
- B. Ampere /Volt
- C. Coulomb /Joule
- D. Volt/Coulomb
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| 7 |
The negative of the potential gradient is |
- A. Electrostatic force
- B. Electromotive force
- C. Potential difference
- D. Electric field intensity
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| 8 |
An electric field cannot deflect |
- A. X-rays
- B. a-particles
- C. ß-particles
- D. None of these
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| 9 |
An ECG records the _____ between points on human skin generated by electric process i the heart. |
- A. Heart beat
- B. Pulse rate
- C. Pressure
- D. Voltage
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| 10 |
Due to polarization, electric field E. |
- A. Increase
- B. Decrease
- C. First increases then decreases
- D. Remain same
|