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SOMEBODYCOOL
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Homework Statement
Determine the magnetic field strength and direction at a point 'z' on the axis of the centre of a semi-circular current loop of radius R.
Homework Equations
Biot Savart Formula
[tex]d\vec{B}=\frac{\mu_{0}Id\vec{r}\times\hat{e}}{4\pi|\vec{R}-\vec{r}|^{2}}[/tex]
e being the unit vector from r to R
The Attempt at a Solution
A much simpler problem is a full current loop, because one component of the magnetic field cancels out. For this problem, you'd have to deal with the half-circle arc and the straight line base separately. I was also wondering whether its easier to calculate the z and x components of B separately as well... One component is straightforward enough... I just really don't understand where to start.
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