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mahima pareek , 6 Years ago
Grade 11
Magnetism> Image attached................... ..........
1 Answers
Arun
Last Activity: 6 Years ago
Dear Mahima
B toroid = mu * n I
B’ = muo * mu(r) * n I
% increase = B’ – B / B = 6.8 * 10^-3
Regards
Arun
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