Question: In Figure point P is at perpendicular distance R = 2.00 cm from a very long straight wire carrying a current. The magnetic field B

In Figure point P is at perpendicular distance R = 2.00 cm from a very long straight wire carrying a current. The magnetic field B set up at point P is due to contributions from all the identical current-length elements i d s along the wire. What is the distance s to the element making?

(a) The greatest contribution to field B and

(b) 10.0% of the greatest contribution?

P. Wire

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