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Current Electricity

Current Electricity
For which of the following 'ampere second' could be the unit?

Energy
Power
Charge
Reluctance

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Current Electricity
Semiconductors have _______temperature co-efficient of resistance.

Zero
Positive
None of the listed here
Negative

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Current Electricity
Electric pressure is also called

Power
Energy
Voltage
Resistance

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Current Electricity
An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is

5 kWh
5 kWh
0.05 kWh
0.005 kWh

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Current Electricity
Conductivity is the reciprocal of

Resistivity
None of the listed here
Resistance
Current density

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

Inductance
Resistance
Capacitance
Impedance

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