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Electric Circuits

Electric Circuits
Which of the following is the correct relation?

 AD-BC = 1.
 AC-BD = 1.
 AB-CD = 1 .
 all of these.

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

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

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Electric Circuits
If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will

 remains unchanged.
 decrease.
 increase.
 becomes zero.

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Electric Circuits
Internal resistance of ideal current source is

 finite
 100 ohms
 zero
 infinite

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Electric Circuits
To obtain high efficiency, network is designed with which of the following?

 Unity Q factor
 Zero Q factor
 Low Q factor
 High Q factor

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

 negative co-efficient.
 both 1 and 2.
None of these
 positive co-efficient.

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