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Electric Circuits

Electric Circuits
Internal resistance of ideal voltage source is

 infinite
 100 ohms
 zero
 finite

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Electric Circuits
Highest current density is usually recommended for

  chromium plating.
  tin plating.
  bronze plating.
  cadmium plating.

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Electric Circuits
What is form factor?

 Average value / R.M.S. value.
  R.M.S. value / Average value.
 Instantaneous value / Average value.
 Average value / Peak value.

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Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

 R / 4.
  R / 3.
 R / 6.
 R / 2.

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Electric Circuits
The Laplace Transform of a shifted unit step f (t) = U (t-a) is

 (e-as)/s.
 s(1-e-as).
 e-as.
 se-as.

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

  Rectifier.
  Carbon brushes.
  Barrel.
  Distilled water.

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MORE MCQ ON Electric Circuits

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