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Electric Circuits

Electric Circuits
In foster 1 form 1st element is

 capacitor.
 inductor.
 none.
 both.

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Electric Circuits
You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

 three in parallel.
 three in series.
 two in parallel and one in series.
 two in parallel.

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Electric Circuits
The Laplace Transform of a shifted unit step f (t) = U (t-a) is

 s(1-e-as).
 (e-as)/s.
 se-as.
 e-as.

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

 momentum.
 charge.
 mass.
 energy.

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Electric Circuits
For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I?

 10 A.
 4 A.
 6 A.
 5 A.

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Electric Circuits
Efficiency of electrical machines should be calculated by measuring

 output and input.
 losses.
 losses and input.
 losses and output.

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MORE MCQ ON Electric Circuits

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