Show that the magnetic field at a point p a distance r from


Consider a straight section of wire of length L which carries a current I, as shown below. Show that the magnetic field at a point P a distance R from the wire along its perpendicular bisector is B = (muI/2piR) * L/(L^2 + 4R^2)^1/2

^
: :
: :
L/2 : I :
:
: R
:-------------------->P
:
L/2 :

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Electrical Engineering: Show that the magnetic field at a point p a distance r from
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