describe method for producing ultrasonic waves-magnetoatriction and pixel- electric method
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Explanation:
describe method for producing ultrasonic waves-magnetoatriction and pixel- electric method
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Answer:
There are three methods for producing Ultrasonic waves. They are: (i) Mechanical generator or Galton's whistle. (ii) Magnetostriction generator.
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Merits:
Magnetostrictive materials are easily available and inexpensive.
Oscillatory circuit is simple to construct.
Large output power can be generated.
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