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Electric Circuits

Electric Circuits
Ceq of two capacitors connected in series is given by

 C1 + C2.
 C1C2.
 C1 C2 / (C1 + C2).
 C1 = C2.

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 N - 1.
 b - N + 1.
 b - N - 1.
 N.

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

 Lagging
 Zero
 Leading
 Unity

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Electric Circuits
A branch of a network is said to be active when it consists of one

 voltage source.
 resistor.
 inductor.
 capacitor.

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Electric Circuits
Current efficiency in electroplating is usually

  50 to 60 %.
  90 to 98 %.
  99 %.
  70 to 80 %.

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Electric Circuits
To obtain high efficiency, network is designed with which of the following?

 Low Q factor
 Zero Q factor
 Unity Q factor
 High Q factor

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