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Electric Circuits

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

 Unity
 Leading
 Lagging
 Zero

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Electric Circuits
Advantage of active filter is

  easy to tune.
  derive high impedance load.
  both of above.
  do not offer gain.

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Electric Circuits
There is a ________ between two nodes of signal flow graph

 tree
 link
None of these
 branch

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Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 1 Ω.
 100 Ω.
 10 Ω.
 0.1 Ω.

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Electric Circuits
Super position theorem is not applicable for

None of these
 current calculations.
 power calculations.
 voltage calculations.

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Electric Circuits
A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to

 144 AT / m.
 222 AT / m.
 196 AT / m.
 72 AT / m.

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