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Electric Circuits

Electric Circuits
The basic circuit elements are

 R, L and C.
 both A and B.
None of these
 Vs, Is.

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Electric Circuits
The value of supply voltage for 400 W, 4 Ω load is

 400 V.
 20 V.
 200 V.
 40 V.

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 66.66.
 76.66.
 36.36.
 40.25.

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Electric Circuits
Disadvantages of constant k type filter

  characteristic impedance unchanged in pass band.
  attenuation does not increase rapidly beyond cut off frequency.
  none of these.
  both A and B.

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Electric Circuits
A paper capacitor is usually available in form of

 tubes.
 disc.
 meshed plates.
 rolled foil.

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Electric Circuits
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance?

 0.049 H.
 0.058 H.
 None of these.
 0.029.

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MORE MCQ ON Electric Circuits

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