Q. Number of electrons in one coulomb of charge will be
A) $5.46 \times 10^{29}$
B) $6.25 \times 10^{18}$
C) $1.6 \times 10^{+ 19}$
D) $9 \times 10^{11}$
Explanation
(b) $n = \frac{Q}{e} = \frac{1}{1.6 \times 10^{- 19}} = 6.25 \times 10^{18}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.