Question

What is the magnitude of the electric field at point P, given that q1 = 5.20 nC, q2 = -2 nC, a = 6.70 cm, and b = 3.00 cm?
a) 24.38 N/C
b) 32.91 N/C
c) 15.62 N/C
d) 20.17 N/C