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Electric Circuits

Electric Circuits
Which of the following lamp has least resistance ?

  200 W, 220 V.
  25 W, 220 V.
 100 W, 220 V.
  60 W, 220 V.

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Electric Circuits
The mass of a proton is

 1.675 × 10 - 27 Kg.
 1.609 × 10 - 31 Kg.
 1.672 × 10 - 27 Kg.
 1.602 × 10 - 19 Kg.

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Electric Circuits
What is represented by the hypotenuse of impedance triangle?

 Apparent power.
 Reactance drop.
 Impedance drop.
 Resistance drop.

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Electric Circuits
Capacitors for P.f correction are rated in

 KV.
 KVAR.
 KW.
 KVA.

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Electric Circuits
The Laplace Transform of a shifted unit step f (t) = U (t-a) is

 se-as.
 (e-as)/s.
 e-as.
 s(1-e-as).

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Electric Circuits
A paper capacitor is usually available in form of

 rolled foil.
 disc.
 meshed plates.
 tubes.

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