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Current Electricity

Current Electricity
If the efficiency of a machine is to be high, what should be low?

Losses
True component of power
kWh consumed
Input power

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Current Electricity
Conductance is reciprocal of

Capacitance
Resistance
Inductance
Reluctance

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Current Electricity
If the number of valence electrons of an atoms is less than 4,the substance is usually

An insulator
A semiconductor
None of the listed here
A conductor

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Current Electricity
SI unit of power is

Henry
Coulomb
Watt-hour
Watt

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Current Electricity
Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current.

Reactor
Resistor
Inductor
Capacitor

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Current Electricity
One Newton meter is same as

One joule second
Five joules
One joule
One watt

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