Magnetic field due to currentHard
Question
A current I flows a closed path in the horizontal plane of the circle as shown in the figure. The path consists of eight wires with alternating radii r and 2r. Each segment of arc subtends equal angle at the common centre P. The magnetic field produced by current path at point P is
Options
A.
; perpendicular to the plane of the paper and directed inward
; perpendicular to the plane of the paper and directed inwardB.
; perpendicular to the plane of the paper and directed outward
; perpendicular to the plane of the paper and directed outwardC. ; perpendicular to the plane of the paper and directed inward
; perpendicular to the plane of the paper and directed inwardD. ; perpendicular to the plane of the paper and directed outward
; perpendicular to the plane of the paper and directed outward
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