ElectroMagnetic InductionHard
Question
A metallic disc of radius ′R′ is rotating about its geometrical axis with constant angular speed ′w′ in external magnetic field B which is perpendicular to the plane of the disc then induced emf between the centre and any peripherical point of the disc is given by :-
Options
A.πωBR2
B.ωBR2
C.πωB
D.ωB
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