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Electric Circuits

Electric Circuits
A two port network is defined by the relation The value of Z12 is

 2/31.
 3.
 3/41.
 -3.

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Electric Circuits
Kirchhoffs laws are valid for

  passive time invariant circuits.
  non-linear circuits only.
  both linear and non-linear circuits.
  linear circuit only.

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t) u (t).
 f (t-T) u (t).
 f (t-T) u (t-T).
 f (t) u (t-T).

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Electric Circuits
Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre?

 3.12.
 6.24.
 1.56.
 0.020.

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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

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

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Electric Circuits
A load is connected to an active network. At the terminals to which the load is connected, RTH = 10 Ohm, VTH = 60V. Then maximum power supplied to the load is

 90W.
 180W.
 360W.
 60W.

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MORE MCQ ON Electric Circuits

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