Chapter 21, Problem 49P

(II) A thin rod bent into the shape of an arc of a circle of radius R carries a uniform charge per unit length λ. The arc subtends a total angle 2θ₀, symmetric about the x axis, as shown in Fig. 21–65. Determine the electric field $\stackrel{\to }{E}$ at the origin 0.

FIGURE 21–65

Problem 49.