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Two circular coil A and B subtend the sa...

Two circular coil A and B subtend the same solid angle at point P lying on the axis of the coils. Smaller coil B is midway between A and P. If both coils. Carry the same current in the same senes then find the ratio of the magnetic field of A at `P(B_(A))` to magnetic field of B at `P(B_(B))`.

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The correct Answer is:
`1:2`
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