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Electric Circuits

Electric Circuits
Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is

 0o.
 90o.
 45o.
 30o.

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Electric Circuits
Super mesh analysis is used in case of

 ideal voltage source is connected between two non reference nodes.
 both.
 current source branch is common for two meshes.
 either 1 or 2.

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Electric Circuits
For ideal tank circuit what is the value of dynamic impedance?

 ∞
None of these
 0
 Both

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 2 A.
 3 A.
 4 A.
 1 A.

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Electric Circuits
A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of

 copper increases and germanium decreases.
 copper decreases and germanium increases.
 each of them increases.
 each of them decreases.

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 infinite, zero
 infinite, infinite
 zero, infinite
 zero, zero

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MORE MCQ ON Electric Circuits

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