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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
Which of the following materials has highest electrical conductivity ?

  Aluminium.
  Silver.
  Copper.
  Steel.

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Electric Circuits
In what connection we get neutral?

  Delta.
  Star.
  Both A and B.
  Mesh.

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Electric Circuits
For finding the Z11 parameter at the input port of a two port network

 input port is short circuited.
 output port is short circuited.
 output port is open circuited.
 input port is open circuited.

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Electric Circuits
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is

 31.84 Ω.
 7.96 Ω.
 15.92 Ω.
 63.68 Ω.

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Electric Circuits
Types of rotating machines

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

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MORE MCQ ON Electric Circuits

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