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Electric Circuits

Electric Circuits
In active filter which element is absent?

 Capacitor.
 Resistor.
 Both of above.
 Inductor.

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Electric Circuits
The laplace transform of the fuction f(t) = t is

 1/s2.
 s.
 s2.
 1/s.

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 for protection purpose.
 none of these.
 all pins are of same size.
 for designing purpose.

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Electric Circuits
Which part of magnetic path requires largest mmf?

 Inductance.
 Air gap.
 Core.
 Coil.

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

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

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Electric Circuits
A particular current is made up of two component : a 10 A and a sine wave of peak value 14.14 A. The average value of current is

 zero.
 10 A.
 24.14 A.
 14.14 A.

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MORE MCQ ON Electric Circuits

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