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Electric Circuits

Electric Circuits
Condition of symmetry in ABCD parameter representation is

 AD - BC = 1.
 C = D.
 B = D.
 A = D.

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Electric Circuits
A capacitor

 passes DC but blocks AC.
 passes both AC and DC.
 blocks both AC and DC.
 passes AC but blocks DC.

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Electric Circuits
For occurrence of resonance which of the following elements are required?

 Both 2 and 3
 R
 C
 L

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 for designing purpose.
 all pins are of same size.
 none of these.
 for protection purpose.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 5250 rpm in forward direction.
 5250 rpm in reverse direction.
 107.14 rpm in forward direction.
 107.14 rpm in reverse direction.

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

 2 A.
 3 A.
 1 A.
 4 A.

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MORE MCQ ON Electric Circuits

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