Oscillators
Explanation of question 12
i A crystal can operate on a harmonic of its fundamental frequency
ii When mechanically stressed, a piezo-electric crystal generates a small voltage
i and ii are both true
i is true but ii is false
i is false but ii is true
i and ii are both false
The answer is :-
1
i is true; ii is true, a feature of piezo-electric crystals.
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