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Electric Circuits

Electric Circuits
To apply reciprocity theorem response to excitation ratio is

 Mho.
 No units.
 Either Ohm or Mho.
 Ohm.

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Electric Circuits
The indication of the state of charge of a battery is best given by

 temperature of electrolyte.
 colour of electrolyte.
 level of electrolyte.
 specific gravity of electrolyte.

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 4 Ω.
 800 Ω.
  40 Ω.
 400 Ω.

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Electric Circuits
Sulphation in a lead acid battery occurs due to

 heavy charging.
 trickle charging.
 incomplete charging.
 fast charging.

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Electric Circuits
Current magnification will occur in which of the following case?

 Series resonance
 Both
 Parallel resonance
None of these

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Electric Circuits
Time constant of RL series circuit is

 L/R
 RC
 2L/R
 2RC

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MORE MCQ ON Electric Circuits

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