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Current Electricity

Current Electricity
Ampere-hour is the unit of

Energy
Quantity of electricity
Power
Strength of current

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Current Electricity
Insulators have _______ temperature co-efficient of resistance.

None of the listed here
Negative
Zero
Positive

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Current Electricity
Out of the following which is not a poor conductor?

Cast iron
Copper
Tungsten
Carbon

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

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

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Current Electricity
No current flow between two charged bodies if they have same

Charge
Capacity
None of the listed here
Potential

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Current Electricity
An open resistor, when checked with an ohmmeter reads

Low but not zero
Zero
High but within tolerance
Infinite

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