Download Aptitude Crack
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Automatic Control Systems - Engineering

Q1:

Assertion (A): Positive feedback is not used in any circuit. Reason (R): Positive feedback leads to instability.

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

ANS:D - R is correct but A is wrong

Positive feedback is used in oscillator circuits.