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ananthu
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Homework Statement
It is given that when a copper or aluminium bar is set in oscillation in a magnetic field eddy currents are produced inside the bar. Should it be necessary that the bar should be made of a non-magnetic substance such as copper, aluminium etc.? Can it be a ferromagnetic substance like iron? When an iron bar is introduced in between the magnets, unlike an aluminium bar the former also gets magnetized. So, will the formation of eddy currents ,in any way, be affected due to magnetism produced in the bar?