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Electric Circuits

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

 Capacitor.
 Inductor.
 Diode.
 Resistor.

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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.

 equals to
 greater than
 both a and c
 less than

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Electric Circuits
The capacitance of a parallel plate capacitor can be varied by

 changing the distance between the plates only.
 changing the overlapping area of the plates only.
All of these
 changing the dielectric medium only.

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Air capacitor.
 Mica capacitor.
 Electrolytic capacitor.
 Glass capacitor.

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Electric Circuits
Time constant of RL series circuit is

 L/R
 RC
 2L/R
 2RC

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Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 None of these.
 2 V.
 0.5 V.
 1 V.

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