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10-04-2024
Physics

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A circular ring of radius R carries a current l in it (3) The magnetic field at the centre is B₀ . The field B⁹ . At th on the axis at a distance x from the centre is B₀/8 . a sut Here x is equal to
a) R
b) R√2
c) R√3::
d) 3R

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