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Electric Circuits

Electric Circuits
Active filter consists of

 capacitor.
 inductor.
 op-amp.
 op-amp and capacitor.

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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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Electric Circuits
What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

 Vacuum, air.
 Oil impregnated paper.
 Glass.
 Titanium oxide.

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Electric Circuits
The ratio of intensity of magnetisation to the magnetising force is known as

 susceptibility.
 none of above.
 relative permeability.
 flux density.

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Electric Circuits
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is

 31.84 Ω.
 63.68 Ω.
 15.92 Ω.
 7.96 Ω.

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 5.2.
 3.4.
 6.
 0.6.

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MORE MCQ ON Electric Circuits

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