There is a non conducting ring of radius R charge q. Uniform magnetic field exist in circular region concentric with ring of radius r < R, which varies as dB/dt=k. Torque on ring is? [ Ans (k.q.r^2)/2 ]
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Shetty Prasad , 11 Years ago
Grade 12
1 Answers
Arun Kumar
Last Activity: 11 Years ago
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Arun Kumar
IIT Delhi
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