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sir plzz solve question no. 17 and 18

sir plzz solve question no. 17 and 18 

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Grade:12

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
2 years ago
17 . use formula due to semi infinite wire’s magnetic field and circular arc’s magnetic field
18) use F=i(l*B).

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