| 1 |
Which is not a hardware device? |
- A. CPU
- B. Windows
- C. Keyboard
- D. Mouse
|
| 2 |
<p class="MsoNormal">Electric potential and e.m.f.:<o:p></o:p></p> |
- A. <p class="MsoNormal">Are the same terms<o:p></o:p></p>
- B. <p class="MsoNormal">Are the different terms<o:p></o:p></p>
- C. <p class="MsoNormal">Have different units<o:p></o:p></p>
- D. <p class="MsoNormal">Both b and c<o:p></o:p></p>
|
| 3 |
<p class="MsoNormal">Instrument used for detecting and testing the nature of
charge on a body is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Incubator<o:p></o:p></p>
- B. <p class="MsoNormal">Spectroscope<o:p></o:p></p>
- C. <p class="MsoNormal">voltmeter<o:p></o:p></p>
- D. <p class="MsoNormal">electroscope<o:p></o:p></p>
|
| 4 |
Information storage devices work on the principles of |
- A. Heat
- B. Sound
- C. Light
- D. Magnetism
|
| 5 |
<p class="MsoNormal">If a dielectric medium is present between two point charges
them electrostatic force will be:<o:p></o:p></p> |
- A. <p class="MsoNormal">Increased<o:p></o:p></p>
- B. <p class="MsoNormal">Decreased<o:p></o:p></p>
- C. <p class="MsoNormal">Vanishes<o:p></o:p></p>
- D. <p class="MsoNormal">Remain same<o:p></o:p></p>
|
| 6 |
What does the term e-mail stand for? |
- A. Emergency mail
- B. Electronic mail
- C. extra mail
- D. external mail
|
| 7 |
<p class="MsoNormal">What is the voltage across a 6 Ω resistor when 3 A of current passes through it:<o:p></o:p></p> |
- A. <p class="MsoNormal">2 V<o:p></o:p></p>
- B. 9V
- C. 18 V
- D. 36 V
|
| 8 |
A device which has two way communication is: |
- A. Television
- B. Radio
- C. Hard disk
- D. Mobile phone.
|
| 9 |
The speed of sound in air is kmh<sup>-1</sup> |
- A. 1243
- B. 1244
- C. 1245
- D. 1246
|
| 10 |
<p class="MsoNormal">Why household appliances should be connected in parallel
with the voltage source:<o:p></o:p></p> |
- A. <p class="MsoNormal">To increase the resistance of the circuit<o:p></o:p></p>
- B. <p class="MsoNormal">To decrease the resistance of the circuit<o:p></o:p></p>
- C. <p class="MsoNormal">To provide each
appliance the same voltage as the power source<o:p></o:p></p>
- D. <p class="MsoNormal">To provide each appliance the same current as the power
source<o:p></o:p></p>
|