A charge of 2 X 10^-7 C is acted upon by a force of 0.1N. Determine the distance to the other charge of 4.5 X 10^-7 C, both the charges are in vacuum.(a) 0.03(b) 0.05(c) 0.07(d) 0.09I have been asked this question during an internship interview.This intriguing question originated from Coulomb Law topic in portion Electrostatic Fields of Electromagnetic Theory

A charge of 2 X 10^-7 C is acted upon by a force of 0.1N. Determine th

1.	A charge of 2 X 10^-7 C is acted upon by a force of 0.1N. Determine the distance to the other charge of 4.5 X 10^-7 C, both the charges are in vacuum.(a) 0.03(b) 0.05(c) 0.07(d) 0.09I have been asked this question during an internship interview.This intriguing question originated from Coulomb Law topic in portion Electrostatic Fields of Electromagnetic Theory
Answer» The CORRECT answer is (d) 0.09 The EXPLANATION: F = q1q2/(4∏εor^2) , substituting Q1, Q2 and F, r2 = q1q2/(4∏εoF) = We get r = 0.09m.

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