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Electric Circuits

Electric Circuits
What is the unit of potential difference ?

 Ampere
 Ohm
 Watt
 Volt

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Current
 Charge
 Force
 Power

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Electric Circuits
Under resonance condition the power factor of a system is

 any of the above
 leading
 unity
 lagging

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 1 kΩ, 1 W.
 2 kΩ, 0.5 W.
 0.5 kΩ, 2 W.
 2 kΩ, 1 W.

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Electric Circuits
KCL works on the principle of which of the following

 both.
None of these
 law of conservation of energy.
 law of conservation of charge.

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Electric Circuits
A wire of resistance R has it length and cross - section both doubled. Its resistance will become

 R.
 0.5R.
 2R.
 4R.

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MORE MCQ ON Electric Circuits

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