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Grade 12Magnetism

Solve this question please.............................................

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Syed suha

8 Years agoGrade 12

1 Answer

Khimraj

Approved Tutor Answer8 Years ago

Magnetic field due to a regular polygen of 4 side at its centre is 4 times due to one side

B = 4[(u_oI/4 $\pi$ (a/2))(sin45 + sin45)]

B = 4[(u_oI/2 $\pi$ a)( $\sqrt{2}$ )

B = 2 $\sqrt{2}$ (u_oI/ $\pi$ a).

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