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Electric Circuits

Electric Circuits
Types of rotating machines

 both B and C.
 IM.
 synchronous machine.
 transformer.

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Electric Circuits
A two port network is defined by the relation The value of Z12 is

 3.
 3/41.
 2/31.
 -3.

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 all in parallel.
 all in series.
 two in parallel and third in series with this combination.
 two in series and third in parallel across this combination.

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 1 kΩ, 1 W.
 2 kΩ, 1 W.
 0.5 kΩ, 2 W.
 2 kΩ, 0.5 W.

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Electric Circuits
The current in a chemical cell is a movement of

  positive and negative ions.
  negative ions only.
 positive hole charges.
  positive ions only.

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Electric Circuits
Energy efficiency during electroplating is usually in the range

 90 to 99%.
 50 to 80%.
 80 to 85%.
 85 to 90%.

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MORE MCQ ON Electric Circuits

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