Exam-style question
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Schmitt trigger ? identify why hysteresis helps. Use this to support: Explain the role of input resistors.
- A.Schmitt trigger: two switching thresholds reduce unwanted rapid output changes caused by noise for Summing amplifier configuration.
- B.Schmitt trigger: uses a single threshold with no feedback.
- C.Schmitt trigger: claims it stores charge as a capacitor.
- D.Schmitt trigger: ignores noisy input behaviour.
Model answer
What a good answer should say
- The correct option is Schmitt trigger: two switching thresholds reduce unwanted rapid output changes caused by noise for Summing amplifier configuration.
Explanation
Why this works
This is the best answer because the Schmitt trigger context requires that exact electronics relationship. The other options are incorrect because they use a different component, reverse the circuit behaviour, or omit the output interpretation required for Summing amplifier configuration.
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