C-03-Q091mediumsingle_mcqThe charge of a proton is:a−1.60×10−19-1.60 \times 10^{-19}−1.60×10−19 Cb+1.60×10−19+1.60 \times 10^{-19}+1.60×10−19 Cc0d+9.11×10−19+9.11 \times 10^{-19}+9.11×10−19 C