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Ultrasonic waves are produced by using
Mechanical generator
Magnetostriction generator
Piezoelectric generator
all of these
all of these
Quick Summary: Practice and solve "Ultrasonic waves are produced by using..." for Electrical - Electrical Materials. The correct answer is Option D: all of these. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(d) **