Assertion: Gain margin is the factor by which the system gain can be d – McqOptions

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1.	Assertion: Gain margin is the factor by which the system gain can be decreased to drive it to the verge of instability.Reason: Gain margin is the reciprocal of the gain at a frequency at which the phase angle becomes 180°
A.	Both A and R are true and R is the correct explanation of A
B.	Both A and R are true and R is not the correct explanation of A
C.	A is true but R is false
D.	A is false but R is true
Answer» E.

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