Question

What charge would be required to electrify a sphere of radius 25 cm so as to get a surface charge density of 3 pi/c/m?

Answer 1

hey friend here is your answer

p=q/v
q=pv
v=4/3 πr³ =4/3 ×22/7×625
=4×22×625×10^-6/21=2619.04 cm ³

q=2619.04×3=7857.14micro c
7.8×10^-3 C
hope it's helps