| 1 |
The current through a resistance of 100 Ohm when connecting across a source of 220 V is. |
- A. 22000 A
- B. 22 A
- C. 2.2 A
- D. 0.45 A
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| 2 |
Heat energy is converted into electrical energy. |
- A. Solar cells
- B. thermocouples
- C. Electric generators
- D. None of above
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| 3 |
When a pot difference of 4 volt is applied across resistance, 10 J of energy is converted Find charge flows |
- A. 0.20 C
- B. 2.5 C
- C. 5.0 C
- D. 10.0 C
|
| 4 |
the current which flows from a point at higher. potential to point at lower potential is called. |
- A. Electric current
- B. Conventional current
- C. Either of these
- D. None of above
|
| 5 |
The color code of "Green" |
|
| 6 |
Electric power: |
- A. Vx1
- B. V<sup>2</sup>x1
- C. V/1
- D. V/1<sup>2</sup>
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| 7 |
Two resistance of 2 Ohm each are connected in parallel combination equivalent resistance will be. |
- A. 4 Ohm
- B. 2 Ohm
- C. 1 Ohm
- D. 8 Ohm
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| 8 |
A rheostat can be used as variable resistor as well as a------------- |
- A. Potential divider
- B. Current divider
- C. Wheat stone bridge
- D. Power divider
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| 9 |
In gas the charge carriers are: |
- A. Electrons
- B. Ions
- C. Both a & b
- D. None of above
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| 10 |
Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is. |
- A. 10 kelvin
- B. 70 kelvin
- C. 200 kelvin
- D. 35 kelvin
|