Question

describe method for producing ultrasonic waves-magnetoatriction and pixel- electric method

Answer 1

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.

Explanation:

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