calculate the electric intensity at a point 15cm from a charge of 10 microcoulomb

Answer 1

Google Gauss
E = (1/ 4 pi eo) Q /r^2
here R = 0.15 meter
Q = 10 *10^-6 = 10^-5 Coulomb
= ( 9 *10^9 Nm^2/C^2)(10^-5 C) / 0.0225 m^2

Answer 2

Please what is the correct answer

Answer 3

Good