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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

 Newton
 Weber
  Tesla
 Ampere turn

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Electric Circuits
While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering

 mmf and emf.
 permeance and conductance.
 flux and current flow.
 reluctance and resistance.

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Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 5000 ohms.
 50 ohms.
 1000 ohms.
 500 ohms.

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

 se-as.
 (e-as)/s.
 s(1-e-as).
 e-as.

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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.

 1
 0.5
 2.56
 3.149

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Electric Circuits
A particular current is made up of two component : a 10 A and a sine wave of peak value 14.14 A. The average value of current is

 10 A.
 zero.
 14.14 A.
 24.14 A.

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MORE MCQ ON Electric Circuits

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