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Electric Circuits

Electric Circuits
Which material has extremely large resistance?

 Conductor
None of these
 Semiconductor
 Insulator

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Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 2 W.
 12 W.
 4 W.
 8 W.

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Electric Circuits
Which quantity should be measured by the voltmeter ?

 Current
 Speed
 Power
 Voltage

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Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 5 µF
 10 µF
 160 µF
 40 µF

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Electric Circuits
Unit of apparent power is

 Watts.
 KWhr.
 VAR.
 VA.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 electron current.
 proton current.
 ionization current.
 polarization current.

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