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Electric Circuits

Electric Circuits
2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is

 75.
 60.
 15.
 105.

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Electric Circuits
Which of the following ABCD parameters is unit less?

 B and C.
 A and B.
 A and C.
 A and D.

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Electric Circuits
Link in network theory refers to

  B - N + 1.
  N - 1.
  B - N - 1.
  N - B - 1.

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Electric Circuits
For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R.

 3 Ω.
 4 Ω.
 1 Ω.
 2 Ω.

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

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

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Electric Circuits
The power dissipated in a pure capacitor is

 zero.
 proportional to the value of capacitance.
 both (B) and (C) above.
 proportional to applied voltage.

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MORE MCQ ON Electric Circuits

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