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Electric Circuits

Electric Circuits
What is the frequency of domestic power in India?

 70 Hz.
 220 Hz.
 60 Hz.
 50 Hz.

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Electric Circuits
Two battery having unequal emf

 cannot be connected in parallel.
 cannot be connected in series.
 both a and d
 can be connected in series only.

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Electric Circuits
Electrolyte for silver plating is

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

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Electric Circuits
Which resistor will be physically larger in size?

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

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Electric Circuits
To obtain wide bandwidth, network is designed with which of the following?

 Zero Q factor
 Low Q factor
 Unity Q factor
 High Q factor

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Electric Circuits
For cadium plating electrolyte used is

 cadmium hexa metaphosphate.
 cadmium sulphate and sulphuric acid.
 any of above.
 sodium cyanide, cadmium and caustic soda.

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