Question

What is the electric field at a distance of 2 cm from 11 mC of negative charge?
2cm converts to 0.02 meters

Answer 1

E = k•|q|/r²,
k =9•10^9 N•m^2/C^2,
|q| =11•10^-3 C,
r =0.02 m
Field lines are directed to the charge