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Electric Circuits

Electric Circuits
For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?

 4 A.
 6 A.
 5 A.
 10 A.

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Electric Circuits
In series R, L circuit power factor can be defined as

 R/Z
 Vr/V
All of these
 P/S

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Electric Circuits
Which of following is invariably seen in an electroplating plant?

  Carbon brushes.
  Rectifier.
  Barrel.
  Distilled water.

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Electric Circuits
Absolute permittivity of dielectric medium is represented as

 εr/ε0
 ε0
 εr
 εrε0

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Electric Circuits
In RLC parallel circuit circuit current through inductor is more than current through capacitor. Then what is the power factor of the circuit?

 unity
 lagging
 zero
 leading

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Electric Circuits
The form factor of sinusoidal alternating current is

 0.
 1.11.
 1.15.
 1.

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