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Assertion (A): A large negative feedback is deliberately introduced in an amplifier to make its gain independent of variation in parameters of active device.
Reason (R): A large negative value of feedback results in a high value of return difference compared to unity which makes the feedback gain inversely proportional to the feedback factor.
, Options are ⇒ (A) Both A and R are correct and R is correct explanation of A, (B) Both A and R are correct but R is not correct explanation of A, (C) A is correct but R is wrong, (D) R is correct but A is wrong, (E) , Leave your comments or Download question paper.Assertion (A): A large negative feedback is deliberately introduced in an amplifier to make its gain independent of variation in parameters of active device. Reason (R): A large negative value of feedback results in a high value of return difference compared to unity which makes the feedback gain inversely proportional to the feedback factor. | |
A. | Both A and R are correct and R is correct explanation of A [Correct Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Wrong Answer] |
C. | A is correct but R is wrong [Wrong Answer] |
D. | R is correct but A is wrong [Wrong Answer] |
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