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Electric Circuits

Electric Circuits
Mesh analysis is prefered when loops are------nodes

 equals to
 any of the above
 greater than
 less than

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Electric Circuits
Number of branches of a graph should be --------- number of branches of a network

 less than equals to
 less than
 equals to
 greater than

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Electric Circuits
A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to

 196 AT / m.
 72 AT / m.
 144 AT / m.
 222 AT / m.

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Electric Circuits
Coating generally recommended for hard surfacing is

 lead plating.
 copper plating.
None of these
 chromium plating.

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Electric Circuits
For finding the Z11 parameter at the input port of a two port network

 input port is short circuited.
 output port is open circuited.
 input port is open circuited.
 output port is short circuited.

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Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Triangle
 Semicircle
 Circle
 Straight line

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MORE MCQ ON Electric Circuits

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