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Electric Circuits

Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 1 A.
 2 A.
 0.5 A.
 1.5 A.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 300 mA.
 100 mA.
 30 mA.
 3 A.

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Electric Circuits
Which of following is the unit of magnetic flux density?

 Lumens.
 Tesla.
 Weber.
 Daraf.

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Electric Circuits
A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance?

 135.86 Ω.
 1.765 Ω.
 0.015 Ω.
 63.7 Ω.

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Electric Circuits
What is called the frequency in AC operation?

 No. of (-) ve quadrature made per second.
 No. of (+) ve quadrature made per second.
 No. of wave made per second.
 No. of cycles made per second.

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Electric Circuits
A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V.

 2
 8
 50
 36

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MORE MCQ ON Electric Circuits

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