| 1 |
Those quantities whose values do not remain constant are called: |
- A. physical quantities
- B. Digital quantites
- C. Log quantities
- D. Analog quantities
|
| 2 |
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
|
| 3 |
<p class="MsoNormal">1 Pico farad is equal to:<o:p></o:p></p> |
- A. <p class="MsoNormal">10<sup>-9</sup>F<o:p></o:p></p>
- B. <p class="MsoNormal">10<sup>12</sup>F<o:p></o:p></p>
- C. <p class="MsoNormal">10<sup>-12</sup>F<o:p></o:p></p>
- D. <p class="MsoNormal">10<sup>-6</sup>F<o:p></o:p></p>
|
| 4 |
<p class="MsoNormal">In variable capacitor, dielectric medium is:<o:p></o:p></p> |
- A. <p class="MsoNormal">Paper<o:p></o:p></p>
- B. <p class="MsoNormal">Air<o:p></o:p></p>
- C. <p class="MsoNormal">Mica<o:p></o:p></p>
- D. <p class="MsoNormal">Ceramic<o:p></o:p></p>
|
| 5 |
<p class="MsoNormal">Simplest electrical circuits use:<o:p></o:p></p> |
- A. <p class="MsoNormal">One wire<o:p></o:p></p>
- B. <p class="MsoNormal">Two wires<o:p></o:p></p>
- C. <p class="MsoNormal">Four wires<o:p></o:p></p>
- D. <p class="MsoNormal">Five wires<o:p></o:p></p>
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| 6 |
<p class="MsoNormal">Each volt of lightening contains energy:<o:p></o:p></p> |
- A. <p class="MsoNormal">4x10<sup>6</sup> joules<o:p></o:p></p>
- B. <p class="MsoNormal">1000 joules<o:p></o:p></p>
- C. <p class="MsoNormal">1000 million joules<o:p></o:p></p>
- D. <p class="MsoNormal">10 joules<o:p></o:p></p>
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| 7 |
<p class="MsoNormal">The product of charge ‘q’ and potential difference is equal
to:<o:p></o:p></p> |
- A. <p class="MsoNormal">Power<o:p></o:p></p>
- B. <p class="MsoNormal">Force<o:p></o:p></p>
- C. <p class="MsoNormal">Capacitance<o:p></o:p></p>
- D. <p class="MsoNormal">Energy<o:p></o:p></p>
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| 8 |
In 1950, physicists observed that in cathode ray tube a special type of rays produced from cathode, these rays were called: |
- A. Cathode rays
- B. X-rays
- C. Alpha rays
- D. Gamma rays
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| 9 |
The open switch Boolean expression is represented by: |
|
| 10 |
Two switches attached in series work on which operation? |
- A. AND operation
- B. OR operation
- C. NOT operation
- D. NOR operation
|