| 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 |
A charged conductor has charge on its. |
- A. Inner surface
- B. Outer surface
- C. Middle surface
- D. Surrounding space
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| 3 |
Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is: |
- A. 3Ω
- B. 4Ω
- C. 4.5Ω
- D. 5Ω
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| 4 |
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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| 5 |
Unit (S.I) of temperature coefficient of resistivity of a material is |
- A. K
- B. K<sup>-1</sup>
- C. <sup>o</sup>C
- D. K<sup>-2</sup>
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| 6 |
The head produced by the passage of current through a resistor is. |
- A. H= I<sup>2</sup>Rt
- B. H = IR<sup>2</sup>t
- C. H = 1/Rt
- D. H = I<sup>2</sup>/Rt
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| 7 |
Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained? |
- A. 3 RΩ
- B. 2R /4Ω
- C. R/3Ω
- D. 2R /3Ω
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| 8 |
Which one of the following bulbs has the least resistance. |
- A. 100 W
- B. 200 W
- C. 500 W
- D. 1000 W
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| 9 |
The conventional current is due to the flow of |
- A. Atoms and molecules
- B. Positive charge
- C. Negative charge
- D. Bot (b) and (c)
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| 10 |
Electric power: |
- A. Vx1
- B. V<sup>2</sup>x1
- C. V/1
- D. V/1<sup>2</sup>
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