| 1 |
Kirchhoff's voltage rule is a way of stating conservation of. |
- A. Mass
- B. Charge
- C. Energy
- D. Momentum
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| 2 |
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
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| 3 |
A charged conductor has charge on its. |
- A. Inner surface
- B. Outer surface
- C. Middle surface
- D. Surrounding space
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| 4 |
A wire uniform cross-section. A length L and resistance R is cut into two equal parts. The resistivity of each part will be: |
- A. Doubled
- B. Halved
- C. Remain the same
- D. One fourth
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| 5 |
A substance having the negative temperature co efficient of resistivity out of the following is. |
- A. Carbon
- B. Iron
- C. Tungsten
- D. Gold
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| 6 |
An ideal current source shall have resistance |
- A. Zero
- B. Finite but not zero
- C. Infinite
- D. Depend upon requirement
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| 7 |
106 electrons are moving through a wire per second the current developed is: |
- A. 1.6 x 10-19 A
- B. 1 A
- C. 1.6 x 10-13A
- D. 106 A
|
| 8 |
The heat produced by passage of current. |
- A. H=I<sup>2</sup>Rt
- B. H=IR2T
- C. H=I/Rt
- D. H=I<sup>2</sup>/Rt
|
| 9 |
Drift velocity of electrons is. |
- A. 10<sup>-1</sup> m/s
- B. 10<sup>-2</sup> m/s
- C. 10<sup>-3</sup> m/s
- D. 10<sup>3</sup> m/s
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| 10 |
The potential difference between the head and tail of an electrical to |
- A. 600 Volt
- B. 700 Volt
- C. 800 Volt
- D. 900 Volt
|