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Electric Circuits

Electric Circuits
Air gap flux density is of the order of

  0.35 - 0.5 T.
  0.65 - 0.9 T.
 0.85 - 0.9 T.
 0.75 - 0.8 T.

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Electric Circuits
Flux in a magnetic circuit can be compared in an electric circuit to

 resistance.
 current.
 voltage.
 inductance.

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Electric Circuits
Current efficiency in electroplating is usually

  70 to 80 %.
  90 to 98 %.
  99 %.
  50 to 60 %.

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Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 125 pF.
 250 pF.
 500 pF.
 1000 pF.

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Electric Circuits
Kirchhoffs laws are valid for

  non-linear circuits only.
  both linear and non-linear circuits.
  passive time invariant circuits.
  linear circuit only.

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Electric Circuits
The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing

 0 mH.
 5 mH.
 10 mH.
 20 mH.

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MORE MCQ ON Electric Circuits

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