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Electric Circuits

Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 5 µF
 160 µF
 40 µF
 10 µF

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Electric Circuits
The unit of electric displacement vector is

 C/m2.
 Ampere-m.
 C - m.
 C/m.

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Electric Circuits
In the circuit given, I = 1 A for Is = 0. What is the value of I for Is = 2 A ?

 3 A.
 1 A.
 4 A.
  2 A.

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Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 4.
 1.
 1/4.
 16.

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Electric Circuits
Time constant is the time taken for response to rise -------of maximum value?

 68.3%
 100%
 63.2%
 90%

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

 s(1-e-as).
 se-as.
 (e-as)/s.
 e-as.

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MORE MCQ ON Electric Circuits

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