Q145. Coulomb's law is given by the formula:F=kq1 q2 / r2The magnitude of k having the unit of Nm2 C-2 for free space is equal to:Physics — NUST Mock 4 — Question 145 of 200A. 9 x 107B. 6 x 107C. 10 x 109D. 9 x 109Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →