Question

For this question (http://f.imgtmp.com/Edz15.jpg), for (a), am I supposed to get ∂A/∂r and ∂A/∂z with r = 0.01 and h = 0.005?

For (b), is it as simple as substituting R_1 with c*R_1 and R_2 with c*R_2?

Answer 1

The link is: http://f.imgtmp.com/Edz15.jpg .

Answer 2

first derivate with respect to r then h