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Electric Circuits

Electric Circuits
Air gap flux density is of the order of

  0.65 - 0.9 T.
 0.75 - 0.8 T.
  0.35 - 0.5 T.
 0.85 - 0.9 T.

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Electric Circuits
The norton equivalent of the circuit shown in the figure is

 1A, 1.5 Ohm
 0.75 A, 1.5 Ohm
 1A, 5/6 Ohm
 0.75A, 5/6 Ohm

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Electric Circuits
Which of the following has no units?

 Magnetic susceptibility
 Permeability
 Moment of a magnet
 Permittivity

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Electric Circuits
Kirchhoff’s current law is used for

 nodal analysis.
 representing a current source.
 finding equivalent resistance.
 loop analysis.

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Electric Circuits
For Norton’s equivalent circuit

 Isc = Voc / Req.
 Isc = Voc Req.
 Voc = Req /Isc.
 Voc = Isc / Req.

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 1 mA.
 0.5 mA.
  0.25 mA.
 0.35 mA.

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MORE MCQ ON Electric Circuits

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