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Electric Circuits

Electric Circuits
Which of the following is not a bilateral element?

 Diode.
 Resistor.
 Inductor.
 Capacitor.

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Electric Circuits
A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is

  5 A.
  50 A.
  zero.
  8.85 A.

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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

 105.
 15.
 60.
 75.

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Electric Circuits
What is a resistor?

 Capacitor
 Inductor
 Hello
 Test

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Electric Circuits
VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is

 BRY.
 RYB.
 RBY.
 YRB.

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Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 10 W.
 1 W.
 5 W.
  64 W.

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MORE MCQ ON Electric Circuits

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