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Please help to get answer in the image. Magnetic field at point p ?

Please help to get answer in the image. Magnetic field at point p ?

Question Image
Grade:12

1 Answers

Khimraj
3007 Points
3 years ago
Due to symmetry magnetic field at point p will be only due upper wire part of length L
So B = (uoI/4\pia)(sin\Theta _{1} + sin\Theta _{2})
B = (10-7*5/0.1)(1/\sqrt{5} + 1/\sqrt{5})
B = 8.92*10-6 T
Hope it clears.

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