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Electric Circuits

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

 capacitor.
 inductor.
 resistor.
 voltage source.

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Electric Circuits
To find the initial value of a function, the highest power of S in denominator should be ---------- the highest power of S in the numerator.

 both a and c
 less than
 greater than
 equals to

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Electric Circuits
Addition of which of the following substance in electrolyte helps in producing bright finish?

 Glycerine.
 Phenol.
 Any of above.
 Dextrol.

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Electric Circuits
If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

 1.6 × 10 - 19
 0.625 × 1019
 1.6 × 1019
 0.625 × 10 - 19

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Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 0.577.
 0.5.
 0.866.
 1.

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Electric Circuits
The delta equation of given star connected impedance ZQR is equal to

  (10 + j30) Ω.
 (20 + j10) Ω.
 40 Ω.
 (5 + j10 / 3) Ω.

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