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Electric Circuits

Electric Circuits
The norton equivalent of the circuit shown in the figure is

 1A, 1.5 Ohm
 1A, 5/6 Ohm
 0.75A, 5/6 Ohm
 0.75 A, 1.5 Ohm

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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

 60.
 75.
 15.
 105.

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Electric Circuits
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases?

 VL and VR.
 VL and Z.
 Z and I.
 VR and I.

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Electric Circuits
Which law(s) find application in electrolysis?

 Ohms law.
 Gausss law.
 Coulombs law.
 Faradays law.

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  n2R.
  R / n2.
  n2 / R.
  nR .

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Electric Circuits
Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it.

  both of above
 series
 parallel
  none of them

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MORE MCQ ON Electric Circuits

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