A thin metallic disc is rotating with constant angular velocity about a vertical axis that is perpendicular to its plane and passes through its centre. The rotation causes the free electrons in the disc to redistribute. Assume that there is no external electric or magnetic field. Then

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Examsnet · Accepted Answer

Correct Answer is :  a point on the rim of the disc is at a lower potential than the centre

KVPY SX SB Exam 2018 Question Paper