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Electric Circuits

Electric Circuits
What would be the power given by source V2?

 - 5 W.
 10 W.
 0 W.
 5 W.

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Electric Circuits
The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 400 Ohms.
 50 Ohms.
 200 Ohms.
 100 Ohms.

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Electric Circuits
In given figure, the value of resistance R in Ω is

 2.5 Ω
 1 Ω
 4.5 Ω
 3.5 Ω

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Electric Circuits
Which of the followings is/are active element?

 Current source
 Both
 Voltage source
 None of these.

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Electric Circuits
Container of a lead acid battery

 ceramics.
 molded hard rubber.
 any of above.
 celluloid.

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Electric Circuits
Power factor can be defined as

 cosine of angle between voltage and current.
 ratio of resistance versus impedance.
 sine of voltage and current.
 both option B and C.

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MORE MCQ ON Electric Circuits

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