A circular ring of diameter 20cm has a resistance `0.01Omega` How much charge will flow through the ring if it is rotated from positon perpendicular t
A circular ring of diameter 20cm has a resistance `0.01Omega` How much charge will flow through the ring if it is rotated from positon perpendicular to the uniform magnetic field of B=2T to a position parallel to field?
A. 4 C
B. 6.28 C
C. 3.14 C
D. 2.5 C
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Correct Answer - B
As, change, `|Deltaq|=(Deltaphi)/(R)=((2)((pi)/(4))(0.2)^(2))/(0.01)=6.28C`
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