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Electric Circuits

Electric Circuits
In series RLC circuit what is the power factor just bellow the resonance frequency?

 Unity
 Lagging
 Leading
 Zero

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 2.56
 0.5
 3.149
 1

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Electric Circuits
A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance?

 135.86 Ω.
 0.015 Ω.
 63.7 Ω.
 1.765 Ω.

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Electric Circuits
Link in network theory refers to

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

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Electric Circuits
Find the total power absorbed by the resistor in the given circuit.

 12 W.
  6 W.
 30 W.
 24 W.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Critical damping
 Under damping
 Undamping
 Over damping

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MORE MCQ ON Electric Circuits

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