A circular ring is crossed by a current equal to / 2A Find the radius of the ring if the magnetic field at its center is4u T

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A circular ring is crossed by a current equal to/= 2A Find the radius of the ring if the magnetic field at its center is4u T
(to)310cm
(b)31.4cm
O (c) 3cm
O (d)720cm
Transcribed Image Text:A circular ring is crossed by a current equal to/= 2A Find the radius of the ring if the magnetic field at its center is4u T (to)310cm (b)31.4cm O (c) 3cm O (d)720cm
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