ElectroMagnetic InductionHard
Question
Figure shows a conducting disc rotating about its axis in a perpendicular magnetic field B. A resistor of resistance R is connected between the centre and the rim. The radius of the disc is 5.0 cm, angular speed ω = 40 rad/s, B = 0.10 T and R = 1 Ω. The current through the resistor is
Options
A.5 mA
B.50 A
C.5 A
D.10 mA
= 
. = 5mAMore ElectroMagnetic Induction Questions
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