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Electric Circuits

Electric Circuits
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor?

 zero
 leading
 unity
 lagging

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Electric Circuits
Which of the following is applicable for both linear and non-linear circuits?

 None of these .
 Superposition theorem.
 Norton’s theorem.
 Thevnin’s theorem.

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Electric Circuits
Zinc cadmium and lead coating is generally provided for

  decoration.
  all of above.
  corrosion.
  electrical contacts.

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Electric Circuits
Emf induced in a coil rotating in a uniform magnetic field will be maximum when the

 rate of cutting flux by coil sides is minimum.
 rate of change of flux linkage is minimum.
 rate of change of flux linkage is maximum.
 flux linking with the coil is maximum.

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 9.59.
 - 9.59.
 6.98.
 - 6.28.

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Electric Circuits
What is Va in the below circuit?

 (6R + 10) / 3.
 (4R + 10) / 3.
 (6R - 10) / 3.
 (3R + 10) / 3.

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MORE MCQ ON Electric Circuits

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