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Current Electricity

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

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

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Current Electricity
If the number of valence electrons of an atoms is less than 4,the substance is usually

None of the listed here
A semiconductor
An insulator
A conductor

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Current Electricity
The thickness of insulation provided on the conductor depends on

Both magnitude of voltage and current
The magnitude of voltage on the conductor
The magnitude of current flowing through it
None of the listed here

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Current Electricity
Electric pressure is also called

Power
Voltage
Energy
Resistance

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

1.0 ohm
0.4 ohm
0.8 ohm
0.6 ohm

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Current Electricity
Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be

1/9 times
3 times
1/3 times
9 times

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