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A light metal disc on the …

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A light metal disc on the top of an Electromagnet is thrown up as the current is switched on .why? give reason.

    • Posted by Aman???? Singh 5 years, 11 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Yogita Ingle 5 years, 11 months ago

    A metal disc is placed on the top of a magnet, as the electric current flows through the coil, an induced current in the form of eddies flows through the metal plate, the lower face attains the same polarity, and hence the metal disc is thrown up.

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