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Electric Circuits

Electric Circuits
Current efficiency in electroplating is usually

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

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Electric Circuits
For Norton’s equivalent circuit

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

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Electric Circuits
Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

 ω1 - ω2
 ω1 / ω2
 √(ω1² + ω2²)
 ω1 + ω2

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Electric Circuits
In a series resonant circuit impedance is

 zero.
 minimum.
 maximum.
 none of these.

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Electric Circuits
For symmetrical wave form average value of one full cycle is

 0
 1.11
 1
 2.22

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Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 16.
 1.
 1/4.
 4.

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MORE MCQ ON Electric Circuits

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