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Electric Circuits

Electric Circuits
If the measured value of a capacitor is 205.3µF and true value is 201.4µF the percentage relative error is

 39.00%
 1.89%
 1.94%
 25.64%

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t-T) u (t-T).
 f (t) u (t-T).
 f (t) u (t).
 f (t-T) u (t).

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Electric Circuits
If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is

 Either AC or DC
 AC only
 An Impulse
 DC only

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is

 10.16 A.
 5.08 A.
 1.27 A.
 2.54 A.

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 1 mA.
 0.35 mA.
  0.25 mA.
 0.5 mA.

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.1 μF.
 0.001 μF.
 0.01 μF.
 1 μF.

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