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Electric Circuits

Electric Circuits
When power factor angle is constant, then shape of the current locus is

 straight line.
 circle.
 triangle.
 semi circle.

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Electric Circuits
To obtain wide bandwidth, network is designed with which of the following?

 Low Q factor
 Unity Q factor
 High Q factor
 Zero Q factor

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Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 42.4sin50πt.
 30sin25πt.
 42.4sin25πt.
 30sin50πt.

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Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Ceramic.
 Mica.
 Electrolytic.
 Paper.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 1.5 V.
 5 V.
 3 V.
 15 V.

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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
 less than
 both a and c
 greater than

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