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Electric Circuits

Electric Circuits
In series R, L circuit power factor can be defined as

 Vr/V
 P/S
 R/Z
All of these

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Electric Circuits
What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

 Titanium oxide.
 Oil impregnated paper.
 Vacuum, air.
 Glass.

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Electric Circuits
Highest current density is usually recommended for

  chromium plating.
  bronze plating.
  cadmium plating.
  tin plating.

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Electric Circuits
Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

  none of above.
  - 50 V.
 50 V.
  30 V.

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

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

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (2 + j4) pu
 (3 + j4) pu
 (4 + j3) pu
 (4 + j2 ) pu

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MORE MCQ ON Electric Circuits

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