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Current Electricity
Resistance of a tungsten lamp _____ as applied voltage increases.
None of the listed here
Remains same
Decreases
Increases
None of the listed here
Remains same
Decreases
Increases
Answer
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Related Question
Current Electricity
Which of the following statement is true both for a series and a parallel D.C. circuit?
Power are additive
Voltages are additive
Currents are additive
Elements have individual currents
Power are additive
Voltages are additive
Currents are additive
Elements have individual currents
Answer
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Current Electricity
With rise in temperature the resistance of pure metals
Increases
First increases and then decreases
Remains constant
Decreases
Increases
First increases and then decreases
Remains constant
Decreases
Answer
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Current Electricity
Temperature coefficient of resistance is expressed in terms of
ohms/°C
mhos/ohm°C
ohms/ohm°C
mhos/°C
ohms/°C
mhos/ohm°C
ohms/ohm°C
mhos/°C
Answer
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Current Electricity
With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals
20 W
10 W
40 W
60 W
20 W
10 W
40 W
60 W
Answer
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Current Electricity
No current flow between two charged bodies if they have same
None of the listed here
Potential
Capacity
Charge
None of the listed here
Potential
Capacity
Charge
Answer
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