Answer to Question #302045 in Electricity and Magnetism for Thoro

Electricity and Magnetism

Question #302045

A charge of 20 x 10-6 C is 20 cm from another charge of 60 x 10-6 C. (a) Find the force between them. (b) Determine the Ep midway between them.

Expert's answer

a)

"F=\\frac{k(q_1^2-q_2^2)}{r^2}=720~N,"

b)

"E=\\frac{4k(q_1-q_2)}{r^2}=36~\\frac{MV}m."

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