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Electric Circuits

Electric Circuits
From the given figure find the R3

 25 mili ohm
 25 mega ohm
 25 ohm
 25 kilo ohm

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Electric Circuits
The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V.

 200
 450
 250
 360

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Electric Circuits
The frequency of EMF generated by a generator depends upon its

 nature of supply.
 number of poles.
 both speed and number of poles.
 speed.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is

 2.54 A.
 5.08 A.
 1.27 A.
 10.16 A.

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Electric Circuits
1 F is theoretically equal to

 none of these
 ratio of 1 C to 1 V
 ratio of 1 V to 1 C
 1 ohm of resistance

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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.
 0.01 μF.
 0.1 μF.
 1 μF.

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MORE MCQ ON Electric Circuits

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