Q. What are the units of $K = 1/4\pi\varepsilon_{0}$
A) $C^{2}N^{- 1}m^{- 2}$
B) $Nm^{2}C^{- 2}$
C) $Nm^{2}C^{2}$
D) Unitless
Explanation
Unit of $\varepsilon_{0} = C^{2}/N - m^{2}\ \therefore$ Unit of $K = Nm^{2}C^{- 2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.