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Current Electricity

Current Electricity
Which of the following quantities remain the same in all parts of a series circuit?

Power
Current
Resistance
Voltage

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Current Electricity
Resistance of a material always decreases if

Number of free electrons available becomes more
None of these
Temperature of material is decreased
Temperature of material is increased

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Current Electricity
If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes

0.6 ohm
0.8 ohm
1.0 ohm
0.4 ohm

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Current Electricity
Conductance is reciprocal of

Reluctance
Resistance
Capacitance
Inductance

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Current Electricity
A 3 Q resistor having 2 A current will dissipate the power of

8 watts
2 watts
6 watts
4 watts

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

Capacitance
Inductance
Resistance
Impedance

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