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Current Electricity

Current Electricity
Electric pressure is also called

Power
Resistance
Voltage
Energy

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Current Electricity
Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be

1/9 times
1/3 times
3 times
9 times

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Current Electricity
Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across

Ri
Either Rl or Ri
None of them
Rl

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Current Electricity
The resistance of a straight conductor is independent of

Cross-sectional area
Shape of cross-section
Temperature
Material

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Current Electricity
E. M. F. In a circuit

None of the listed here
Increases circuit resistance
Maintains potential difference
Decrease circuit resistance

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Current Electricity
Semiconductors have _______temperature co-efficient of resistance.

Zero
None of the listed here
Negative
Positive

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