| 1 |
<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
|
| 2 |
Radio waves are: |
- A. Electric waves
- B. Electromagnetic waves
- C. X-rays
- D. Radio active ways.
|
| 3 |
<p class="MsoNormal">an electrolytic capacitor is used to store large amounts of
charge at:<o:p></o:p></p> |
- A. <p class="MsoNormal">low voltage<o:p></o:p></p>
- B. <p class="MsoNormal">high voltage<o:p></o:p></p>
- C. <p class="MsoNormal">neutral<o:p></o:p></p>
- D. <p class="MsoNormal">positive<o:p></o:p></p>
|
| 4 |
A group of instructions or a program which guides hardware to do work is called: |
- A. Hardware
- B. Micro processor
- C. Memory
- D. Software
|
| 5 |
<p class="MsoNormal">If there is divergence of leaves by touching a body with
electroscope then the body is:<o:p></o:p></p> |
- A. <p class="MsoNormal">Semi conductor<o:p></o:p></p>
- B. <p class="MsoNormal">Neutral<o:p></o:p></p>
- C. <p class="MsoNormal">charge body<o:p></o:p></p>
- D. <p class="MsoNormal">Insulator<o:p></o:p></p>
|
| 6 |
Which waves of the following has highest frequency? |
- A. Radio waves
- B. Micro waves
- C. Light wave
- D. Sound wave
|
| 7 |
<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>
|
| 8 |
<p class="MsoNormal">What happens to the intensity or the brightness of the lamps
connected in series as more and more lamps are added:<o:p></o:p></p> |
- A. <p class="MsoNormal">Increases<o:p></o:p></p>
- B. <p class="MsoNormal">Decreases<o:p></o:p></p>
- C. <p class="MsoNormal">Remains the same<o:p></o:p></p>
- D. <p class="MsoNormal">Cannot be predicted<o:p></o:p></p>
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| 9 |
The device which is used to convert sound waves into electrical signal is called: |
- A. Ear piece
- B. Microphone
- C. Transmission channel
- D. Receiver
|
| 10 |
A data storage device is. |
- A. Printer
- B. Hard disk
- C. Monitor
- D. CPU
|