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Electric Circuits

Electric Circuits
Current magnification will occur in which of the following case?

 Parallel resonance
 Series resonance
None of these
 Both

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Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

 1 A.
 3 A.
 None of these.
  2 A.

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Electric Circuits
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as

 decay time.
 rise time.
 run time.
 fall time.

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Electric Circuits
Common impurity in battery electrolyte is

 dust.
 lead sulfate.
 iron.
 sodium chloride.

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Electric Circuits
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases?

 VL and I.
 VL and Z.
 VL and VR.
 Z and I.

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Electric Circuits
Current efficiency in electroplating is usually

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

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