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Current Electricity

Current Electricity
Sparking occurs when a load is switched off because the circuit has high

Resistance
Inductance
Impedance
Capacitance

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Current Electricity
What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω?

50 V
100 V
150 V
200 V

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Current Electricity
Conductance is reciprocal of

Inductance
Resistance
Capacitance
Reluctance

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Current Electricity
With rise in temperature the resistance of pure metals

Increases
Decreases
Remains constant
First increases and then decreases

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Current Electricity
The resistance of conductor varies inversely as

Area of cross-section
Length
Temperature
Resistivity

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Current Electricity
If an electric current is passed through a nerve, the man

Begins to laugh
Begins to weep
Becomes insensitive to pain
Is excited

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