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This problem checks your understanding of the term in the equation for the magnetic field due to a small "piece" of current,
Consider a small piece of current (perhaps there's a wire) at location $ whose coordinates are (6 m, 2 m, 10 m). We would like to find the magnetic field at location P whose
coordinates are (2 m, 5 m, 2 m).
The term " is the distance between point S and point P. What is its value, in meters?

Expert Solution

Step 1

Given: The location at S is $(6 m, 2 m, 10 m)$ .

The location at P is $(2 m, 5 m, 2 m)$ .

The position vector is

$\vec{r} = {\vec{r}}_{2} - {\vec{r}}_{1}$

where ${\vec{r}}_{1}$ is the position vector at location P and ${\vec{r}}_{2}$ is the position vector at location S.

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