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Electronics and Communication Engineering - Analog Electronics - Discussion

Discussion Forum : Analog Electronics - Section 2 (Q.No. 42)
Analog Electronics
42.

Assertion (A): The circuit in figure produces repetitive narrow pulses when input is fed with sine or triangular waveform having peak value more than + V

Reason (R): The high gain op-amp produces voltages at two levels. If input is more than + V, the output is + 15 V otherwise the output is - 15 V.

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
Answer: Option
Explanation:

It is a comparator circuit.

Discussion:
2 comments Page 1 of 1.
Bharti said:   7 years ago
If i/p is more o/p should be -15 V otherwise o/p should be +15 V.
ARIJIT said:   9 years ago
If input is large the voltage o/p should be -15V and vice versa for a comparator.
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