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Electric Circuits

Electric Circuits
What is Va in the below circuit?

 (6R + 10) / 3.
 (4R + 10) / 3.
 (3R + 10) / 3.
 (6R - 10) / 3.

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Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 10 Ω.
 0.1 Ω.
 1 Ω.
 100 Ω.

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Electric Circuits
In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be

 0.9.
 0.4.
 0.85.
 0.6.

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 2 A.
 1 A.
 4 A.
 2.5 A.

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Electric Circuits
The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 200 Ohms.
 50 Ohms.
 100 Ohms.
 25 Ohms.

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Electric Circuits
Capacitors for P.f correction are rated in

 KV.
 KW.
 KVA.
 KVAR.

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MORE MCQ ON Electric Circuits

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