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Electric Circuits

Electric Circuits
To reduce hysteresis loss, we use

 soft-iron.
 copper bars.
 laminated sheets.
 CRGO steel.

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Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 0.1 A.
 1 A.
 0.01 A.
 0.316 A.

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Electric Circuits
Electrolyte for silver plating is

  potassium nitrate solution.
  double cyanide of silver and potassium solution.
  any of above.
  dilute sulphuric acid.

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Electric Circuits
Which resistor will be physically larger in size?

 100 Ω, 10 W.
 1 k Ω, 1 W.
 10 Ω, 50 W.
 1 M Ω, 1/2 W.

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Electric Circuits
Which of following capacitors has relatively shorter shelf life?

 both (B) and (C) above.
 Electrolytic.
 Glass.
 Paper.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 more than 10000 volts.
 20 to 60 volts.
 2000 to 3000 volts.
 200 to 1600 volts.

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MORE MCQ ON Electric Circuits

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