Which of the following is not an application | vedclass

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(D) Eddy currents are loops of electrical current induced within conductors by a changing magnetic field. $1$. Induction furnaces use eddy currents to

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$X$-ray crystallography

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(D) Eddy currents are loops of electrical current induced within conductors by a changing magnetic field. $1$. Induction furnaces use eddy currents to produce high heat for melting metals. $2$. Galvanometer damping uses eddy currents to bring the coil to rest quickly. $3$. Speedometers in automobiles use eddy currents to measure the rotation speed of the wheels. $4$. $X$-ray crystallography is a technique used for determining the atomic and molecular structure of a crystal,which relies on the diffraction of $X$-rays,not eddy currents. Therefore,$X$-ray crystallography is not an application of eddy currents.

Which of the following is not an application of eddy currents?

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