Explain the principle, construction and working of a magnetostriction oscillator to produce ultrasonic waves.

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teamques10 ★ 70k

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engineering physics

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written 4.5 years ago by

teamques10 ★ 70k

Magnetostriction effect is defined as 'the change in dimensions of a magnetized ferromagnetic rod (e.g., iron, nickel), on application of an alternating magnetic field parallel to its length.

The change in length of the rod is of the order of 1 ppm and is independent of the sign of the …

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