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Current Electricity

Current Electricity
Specific resistance of a substance is measured in

m/Ω
Ω-m
Ω/m
None of the listed here

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Current Electricity
Electric pressure is also called

Energy
Resistance
Power
Voltage

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Current Electricity
The insulation on a current carrying conductor is provided

To prevent leakage of current
None of above factors
To prevent shock
Both of the listed here

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Current Electricity
One Newton meter is same as

One joule second
One watt
Five joules
One joule

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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
0.005 kWh
5 kWh
0.05 kWh

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Current Electricity
Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open

The other two bulbs will light
All three bulbs will light
There will be heavy current in the main line
Rest of the two bulbs will not light

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