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Current Electricity

Current Electricity
Electric current is a

Number only
Scalar quantity
Sometimes scalar and sometimes vector
Vector quantity

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Current Electricity
Specific resistance of a substance is measured in

Ω-m
Ω/m
m/Ω
None of the listed here

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Current Electricity
Temperature coefficient of resistance is expressed in terms of

ohms/°C
mhos/°C
ohms/ohm°C
mhos/ohm°C

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Current Electricity
Which of the following is the best material for making connecting wires?

Copper
Nichrome
Manganin
Constant

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Current Electricity
SI unit of power is

Watt
Watt-hour
Henry
Coulomb

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Current Electricity
When one lag of parallel circuit is opened out the total current will

Become zero
Decreases
Increases
None of the listed here

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