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Electric Circuits

Electric Circuits
In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor?

 3A
 2A
 4A
 5A

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Electric Circuits
The delta equation of given star connected impedance ZQR is equal to

 40 Ω.
  (10 + j30) Ω.
 (5 + j10 / 3) Ω.
 (20 + j10) Ω.

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Electric Circuits
What is the real power in AC operation?

 VIcosφ.
 Apperant power × cosφ.
 None of these.
 Both option A and B.

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Electric Circuits
The current in the resistor R shown in figure will be

 0.4 A.
 0.8 A.
 0.2 A.
 0.6 A.

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Electric Circuits
For Norton’s equivalent circuit

 Isc = Voc Req.
 Voc = Isc / Req.
 Isc = Voc / Req.
 Voc = Req /Isc.

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Electric Circuits
In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current?

 5A
 0A
 10A
 2A

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