What will be the magnitude of magnetic field (in T) action parallel to – McqOptions

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1.	What will be the magnitude of magnetic field (in T) action parallel to the rotation of the disc of diameter 20 cm when the magnitude of EMF induced between the axis of rotation and the rim of the disc is 10 V and the angular speed of rotation of disc is 20 revolution per second.
A.	12.8
B.	14.3
C.	15.9
D.	16.8
Answer» D. 16.8

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