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Electric Circuits

Electric Circuits
Which of the following may be value of resistivity of copper?

 1.7 X 10 - 4.
 1.7 X 10 - 3.
 1.7 X 10 - 6.
 1.7 X 10 - 5.

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Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 4 W.
 - 4 W.
 - 2 W.
 2 W.

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 0.5
 2.56
 1
 3.149

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

 (e-as)/s.
 se-as.
 e-as.
 s(1-e-as).

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Electric Circuits
What will be the rms value of rectangular wave with amplitude 10 V?

 5√2 V.
 10 V.
 11.2 V.
 7.7 V.

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Electric Circuits
What is the SI unit of electric current ?

 Ampere.
 Faraday.
None of these
 Ohm.

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MORE MCQ ON Electric Circuits

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