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Electric Circuits

Electric Circuits
Air gap flux density is of the order of

  0.35 - 0.5 T.
  0.65 - 0.9 T.
 0.75 - 0.8 T.
 0.85 - 0.9 T.

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Electric Circuits
Which of the following theorems can be applied to any network- linear or nonlinear, active or passive, time variant or time invariant?

 Tellegen theorem.
 Norton Theorem.
 Thevnin theorem.
 Millman theorem.

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

 unity
 zero
 lagging
 leading

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Electric Circuits
Final value theorem is not applicable for which of the following?

 Both 2 and 3
 unstable systems
 marginally stable systems
 stable systems

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Electric Circuits
In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network?

 0A
 1A
 10A
 5A

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Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Straight line
 Circle
 Semicircle
 Triangle

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MORE MCQ ON Electric Circuits

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