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Electric Circuits

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

 5.08 A.
 2.54 A.
 10.16 A.
 1.27 A.

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

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

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Electric Circuits
The rms value of the voltage U(t)= 3 + 4cos(3t)

 {3 + 2(1.141)} V.
  4.123 V.
 7 V.
  5 V.

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Electric Circuits
The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing

 0 mH.
 10 mH.
 20 mH.
 5 mH.

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Electric Circuits
Kirchhoff's second law is based on law of conservation of

 mass.
 energy.
 momentum.
 charge.

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Electric Circuits
Nodal analysis can be applied for

 neither planar and non planar networks.
 planar networks.
 non planar networks.
 both planar and non planar networks.

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MORE MCQ ON Electric Circuits

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