Exam-style question
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EC06: For Data communication systems, a student is analysing a Hall probe calibration. Which option gives the best Amplitude and frequency modulation reasoning for the objective "Distinguish amplitude modulation from frequency modulation"?.
- A.EC06 correct: In the Hall probe calibration, the answer follows the signal path from input condition to component response to output change, so it supports Distinguish amplitude modulation from frequency modulation.
- B.EC06 distractor: It names a component but does not connect the input condition to the measured output in Amplitude and frequency modulation.
- C.EC06 distractor: It reverses the cause-and-effect chain, so the output is explained before the circuit condition is set.
- D.EC06 distractor: It gives a generic electronics definition without applying the Hall probe calibration context.
Model answer
What a good answer should say
- The correct option is EC06 correct: In the Hall probe calibration, the answer follows the signal path from input condition to component response to output change, so it supports Distinguish amplitude modulation from frequency modulation.
Explanation
Why this works
It is best because it keeps Amplitude and frequency modulation anchored to the circuit signal path: input condition, component response, then output change. The distractors are wrong because they omit the output link, reverse the electronics causality, or drift into a generic component definition rather than applying the Hall probe calibration.
Common mistake
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