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A circular coil of wire is made up of 100 turns, each of radius 8.0 cm. If a current of 0.40 A

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A circular coil of wire is made up of 100 turns, each of radius 8.0 cm. If a current of 0.40 A passes through it, what be the magnetic field at the centre of the coil?

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Data: N = 100,R = 8 × 10-2 m, I = 0.4A, µ0 = 4π × 10-7 T∙m/A

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