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In the given figure, a cylinderical...

In the given figure,

a cylinderical bar magnet is rotated about its axis. A wire is connected from the axis and is made to touch the cylinderical surface through a contact. Then, current in the Ammeter is.....

Text Solution

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When cylinderical bar magnet is rotated about its axis, no change in magnetic flux linked with the circuit take place hence no e.m.f. is induced hence no current flows through the ammeter (A)
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