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Electric Circuits

Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 VI.
 zero.
 minimum.
 maximum.

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Electric Circuits
In the figure given, the value of R is

 24 Ω.
 10 Ω.
 12 Ω.
 18 Ω.

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

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Electric Circuits
Kirchhoff's second law is based on law of conservation of

 momentum.
 mass.
 energy.
 charge.

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Electric Circuits
If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will

 increase.
 decrease.
 becomes zero.
 remains unchanged.

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Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 10 - 4.
 105.
 10 - 6.
 107.

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MORE MCQ ON Electric Circuits

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