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Electric Circuits

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

 Resistor.
 Inductor.
 Diode.
 Capacitor.

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Electric Circuits
During electroplating the amounts of different substances liberated by same quantity of electricity are proportional to their

  chemical equivalents.
  atomic numbers.
  valency.
  atomic weights.

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Electric Circuits
Disadvantages of constant k type filter

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

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Electric Circuits
While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering

 reluctance and resistance.
 mmf and emf.
 permeance and conductance.
 flux and current flow.

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Electric Circuits
Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance Ro = 500 Ω Find shunt arm inductor L and series arm capacitance C for T and π section of HPF ?

 L = 3.316 mH, C = 0.0132 μF.
 L = 0.0132 mH, C = 0.0132 μF.
 None of these.
 L = 3.316 mH, C = 132 μF.

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Electric Circuits
In a capacitive circuit, the capacitive reactance is

 directly proportional to frequency
 indirectly proportional to the square of frequency
 directly proportional to the square of frequency
 indirectly proportional to frequency

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