Q. The specific charge of an electron is
A) $1.6 \times 10^{- 19}coulomb$
B) $4.8 \times 10^{- 10}\ stat\ coulomb$
C) $1.76 \times 10^{11}coulomb/kg$
D) $1.76 \times 10^{- 11}coulomb/kg$
Explanation
(c) $\frac{e}{m} = \frac{1.6 \times 10^{- 19}}{9.1 \times 10^{- 31}} = 1.76 \times 10^{11}C/kg$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.