| 1 |
<p class="MsoNormal">Positive charge can be produced by:<o:p></o:p></p> |
- A. <p class="MsoNormal">Combing in hair<o:p></o:p></p>
- B. <p class="MsoNormal">Rubbing glass rod on silk<o:p></o:p></p>
- C. <p class="MsoNormal">By rubbing ebonite rod on wool<o:p></o:p></p>
- D. <p class="MsoNormal">By rubbing glass rod wool<o:p></o:p></p>
|
| 2 |
<p class="MsoNormal">What does a switch do:<o:p></o:p></p> |
- A. <p class="MsoNormal">Oppose the current<o:p></o:p></p>
- B. <p class="MsoNormal">Open and close the circuit<o:p></o:p></p>
- C. <p class="MsoNormal">Store energy<o:p></o:p></p>
- D. <p class="MsoNormal">Provide voltage<o:p></o:p></p>
|
| 3 |
<p class="MsoNormal">If the field is stronger than lines of force are to each
other:<o:p></o:p></p> |
- A. <p class="MsoNormal">Far away<o:p></o:p></p>
- B. <p class="MsoNormal">Separated<o:p></o:p></p>
- C. <p class="MsoNormal">Closer<o:p></o:p></p>
- D. <p class="MsoNormal">No effect<o:p></o:p></p>
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| 4 |
The quantities, whose values remain constant or vary continuously are called. |
- A. Analogue quantities
- B. Digital quantities
- C. Maximum quantities
- D. Minimum quantities.
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| 5 |
<p class="MsoNormal">If a neutral body is brought near to the electroscope its
leaves:<o:p></o:p></p> |
- A. <p class="MsoNormal">Diverge<o:p></o:p></p>
- B. <p class="MsoNormal">Contract<o:p></o:p></p>
- C. <p class="MsoNormal">Shut<o:p></o:p></p>
- D. <p class="MsoNormal">Remain in normal position<o:p></o:p></p>
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| 6 |
Those quantities whose values change gradually or stay constant are called: |
- A. Physical quantities
- B. Digital quantities
- C. Log quantities
- D. Analog quantities
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| 7 |
<p class="MsoNormal">1 Nano farad is equal to:<o:p></o:p></p> |
- A. <p class="MsoNormal">1X10<sup>-12</sup>F<o:p></o:p></p>
- B. <p class="MsoNormal">1X10<sup>9</sup>F<o:p></o:p></p>
- C. <p class="MsoNormal">1X10<sup>-9</sup>F<o:p></o:p></p>
- D. <p class="MsoNormal">1X10<sup>-6</sup>F<o:p></o:p></p>
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| 8 |
<p class="MsoNormal">When a positive charge of 2 coulombs is placed at a point in
an electric field, it experiences a force of 6N. The intensity of electric
field at this point is:<o:p></o:p></p> |
- A. <p class="MsoNormal">6 NC<sup>-1</sup><o:p></o:p></p>
- B. <p class="MsoNormal">3 NC<sup>-1</sup><o:p></o:p></p>
- C. <p class="MsoNormal">12 NC<sup>-1</sup><o:p></o:p></p>
- D. <p class="MsoNormal">1.5 NC<sup>-1</sup><o:p></o:p></p>
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| 9 |
For the emission of electrons from the tungsten filament the values of current and voltage are taken as: |
- A. 0.1 A and 2V
- B. 0.2 A and 4V
- C. 0.3A and 6V
- D. 0.4A and 8V
|
| 10 |
The emission of electron from the surface of hot metal is called: |
- A. Ionization
- B. Conduction
- C. Thermionic emission
- D. Convection
|