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Electric Circuits

Electric Circuits
Which of the following is not a bilateral element?

 Resistor.
 Diode.
 Inductor.
 Capacitor.

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 0.
 infinite.
 1.
 indeterminate.

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Electric Circuits
Disadvantages of constant k type filter

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

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Electric Circuits
A circuit contains two unequal resistor in parallel

 voltage drops are according to their resistive value.
 voltage drops across both are same.
 currents in both are same.
 heat losses in both are same.

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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?

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

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Electric Circuits
Aluminium is produced from bauxite by

  froth flotation.
  oxidation.
  electrolytic process.
  rotating.

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MORE MCQ ON Electric Circuits

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