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JEE Main 2019 Physics question

PhysicsMoving Charges and MagnetismJEE Main 2019

The magnitude of the magnetic field at the centre of an equilateral triangular loop of side 1 m which is carrying a current of 10 A is: [Take NA]

Answer: (B)

Solution

Distance of each side from centre ; $B =

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Question ID VK-009498