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Current Electricity

Current Electricity
At 0 K, germanium behaves as

A superconductor
A ferromagnetic substance
An insulator
A conductor

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Current Electricity
Conductance is reciprocal of

Capacitance
Reluctance
Resistance
Inductance

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Current Electricity
In which of the following substances the resistance decreases with increase in temperature?

Silver
Carbon
Constantan
Copper

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Current Electricity
A copper wire has a resistance of 10 Ω. It is stretched by one-tenth of its original length. Then its resistance will be

12.1 Ω
10 Ω
11 Ω
9 Ω

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Current Electricity
The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is

20 Ω, 30 Ω
10 Ω, 15 Ω
5 Ω, 10 Ω
10 Ω, 20 Ω

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Current Electricity
The SI unit of power is

Coulomb
Henry
Watt
Watt-hour

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MORE MCQ ON Current Electricity

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