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Electric Circuits

Electric Circuits
In RL series circuit R=2Ω and L=2mH. What is the value of time constant?

 2msec
 4msec
 100sec
 1msec

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.001 μF.
 1 μF.
 0.1 μF.
 0.01 μF.

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Electric Circuits
In the circuit shown below if I = 2 A then find V?

 2 V.
 1 V.
 5 V.
 3 V.

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

 None of these.
 Current source
 Both
 Voltage source

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Electric Circuits
A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short circuited?

 6 A.
 600 A.
 100 A.
 1 A.

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Electric Circuits
A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is

 250 V.
 250 √3 V.
 200 V.
 250 / √3 V.

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MORE MCQ ON Electric Circuits

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