A piezoelectric crystal is used to produce the ultrasound waves. What – McqOptions

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1.	A piezoelectric crystal is used to produce the ultrasound waves. What kind of ultrasound is produced?
A.	Pressure wave ultrasound
B.	Electrical wave ultrasound
C.	Sound wave ultrasound
D.	Simple ultrasound
Answer» B. Electrical wave ultrasound

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