# 2. A straight section of wire of length L carries a current i. (a) Show that...

###### Question:

2. A straight section of wire of length L carries a current i. (a) Show that the magnetic field associated with this segmert at P, a perpendicular distance D from one end of the wire (see Fig. 33-58), is given by (b) Show that the magnetic field is zero at point Q, along the line of the wire. Pt 0 FIGURE 33-58. Problem 2

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