Question

Given the electric flux density, D=0.3r^2 ar nC/m^2 infree space, find total charge wothin the sphere r=3

Answer 1

a) Find E at P(r = 2, θ = 25o, φ = 90o)

b) Find the total charge within hte sphere r = 3)

c) Find the total flux leaving the sphere r = 4
Does it include these answers?