Physics
Electricity and Magnetism
A metal disc of radius a = 25 cm rotates

A metal disc of radius a = 25 cm rotates with a constant angular velocity w =

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A metal disc of radius a = 25 cm rotates with a constant angular velocity w = 130 rad/s about its axis. Find the potential difference between the centre and the rim of the disc if
(a) The external magnetic field is absent;
(b) The external uniform magnetic field of induction B = 5.0 mT is directed perpendicular to the disc.

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a As the metal disc rotates any free electron also rotates with it with same angular velocity w and ...View the full answer

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ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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Question Posted: Jun 14, 2010 11:37 PM

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