Question

solve the problem....​

Answer 1

magnetic field , B = N×4pi×10-⁷ ×I / 4R

B = 100×4×3.14×10-⁷×30 / 4×0.1

B = 94.5×10-⁵ T

flux density = B.A

= 94.5×10-⁵×3.14×0.01

= 296.73×10-⁷ Wb

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