Discussion
Match List-I with List-II :
| List-I | List-II |
|---|---|
| (a) Active filters | (i) Hysteris |
| (b) Multivibrators | (ii) dc output |
| (c) Schmitt trigger | (iii) Pulse/Pulse train |
| (d) Voltage regulator | (iv) R-C network with OP-Amp. |
Answer: B
The correct matching is a-iv, b-iii, c-i, d-ii.
- (a) Active filters are built from R-C networks with an op-amp (iv).
- (b) Multivibrators produce a pulse or pulse train (iii).
- (c) A Schmitt trigger is a comparator with positive feedback, which gives it hysteresis, printed 'Hysteris' (i).
- (d) A voltage regulator provides a steady dc output (ii).
The other codes put hysteresis or the dc output against the wrong circuit.
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