C-10-Q040mediumsingle_mcqThe value of the Coulomb constant kkk is —a9×10−99 \times 10^{-9}9×10−9 Nm2^{2}2/C2^{2}2b9×1099 \times 10^{9}9×109 Nm2^{2}2/C2^{2}c6.67×10−116.67 \times 10^{-11}6.67×10−11 Nm2^{2}2/kg2^{2}d1.6×10−191.6 \times 10^{-19}1.6×10−19 Nm2^{2}2/C2^{2}