7. A-coil has a length of 30cm, a radius of 1.2 cm, and 300 turns carry a current of 2.6mA. Find the magnitude of the magnetic field on the axis of the coil at the centre of it. (μ0=4π×10−7 T.m/A)

7. A-coil has a length of 30cm, a radius of 1.2 cm, and 300 turns carry a current of 2.6mA. Find the magnitude of the magnetic field on the axis of the coil at the centre of it. (μ0=4π×10−7 T.m/A)

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Question

7. A-coil has a length of 30cm, a radius of 1.2 cm, and 300 turns carry a current of 2.6mA. Find the magnitude of the magnetic field on the axis of the coil at the centre of it. (μ0=4π×10⁻⁷T.m/A)

Expert Solution