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Current Electricity

Current Electricity
The substances which have a large number of free electrons and offer a low resistance are called

Insulators
Inductors
Semi-conductors
Conductors

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Current Electricity
The specific resistance of a metallic conductor ______ with rise in temperature.

Remains unchanged
None of the listed here
Decreases
Increases

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Current Electricity
The insulation on a current carrying conductor is provided

Both of the listed here
To prevent leakage of current
To prevent shock
None of above factors

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Current Electricity
At 0 K, germanium behaves as

An insulator
A ferromagnetic substance
A conductor
A superconductor

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Current Electricity
Electric pressure is also called

Energy
Resistance
Power
Voltage

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Current Electricity
Resistance of a carbon filament lamp _______ as the applied voltage increases.

Increases
Decreases
None of the listed here
Remains same

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