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Electric Circuits

Electric Circuits
Which part of magnetic path requires largest mmf?

 Air gap.
 Coil.
 Core.
 Inductance.

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Electric Circuits
Cascade connection of two port networks is analyzed through

 Y parameters.
 ABCD parameters.
 Z parameters.
 h parameters.

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes.

 1.414 A.
 0.494 A.
 0.741 A.
 1.57 A.

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Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 2 W.
 - 4 W.
 4 W.
 - 2 W.

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Electric Circuits
Final value theorem is not applicable for which of the following?

 Both 2 and 3
 stable systems
 marginally stable systems
 unstable systems

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 2.5
 10
 - 1.25
 1

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