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  4. The magnetic field B due to a current-carrying circular loop of the radius 12 cm at its centre is 0.5× 10- 4 T . The magnetic field due to this loop at a point on the axis at a distance of 5 cm from the centre -

Q. The magnetic field due to a current-carrying circular loop of the radius at its centre is . The magnetic field due to this loop at a point on the axis at a distance of from the centre -

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Solution:


At axial point




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