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Magnetostriction Effect and Magnetostriction Generator :: Discussion

2.	When is ultrasonic waves produced using piezo electric oscillator?
	A.	At constant temperature
	B.	At resonance
	C.	At constant pressure
	D.	At constant voltage

	Answer: Option B


	Explanation:
	Piezo electric oscillators produce ultrasonic waves at resonance. That is when the frequency of the oscillatory circuit is equal to the frequency of the vibrating crystal.



	Tutorial Link:

Published by:Michael Daani

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