Question

A point charge q=3.2nC experiences a force 8x10-6 N. What is the external electric field strength?

Answer 1

as we know that,

E= F×Q

Or we have given that,

q= 3.2nC=3.2×10^-9C

and F= 8×10^-6N

so, E = 3.2×10^-9×8×10^-6= 2.56×10^-14 N/C