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The following figure a conducting disc r...

The following figure a conducting disc rotating about its axis in a perpendicular magnetic field B. The resistor of resistance R is connected between the centre and the rim. The current in the resistor is (The radius of the disc is 5.0 cn=m, angular speed `omega=10 rad s^(-1) , B = 0.40 T and R = 10 Omega`)

A

0.5 A

B

0.2 A

C

0.3 A

D

0.9 A

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A
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