A. 6.2 x 1023 C/kg
B. 1.7588 x 12 C/kg
C. 9.195 x 10-31 C/kg
D. 1.7588 x 1011 C/kg
¨ The e/m ratio of an electron was determined by J.J. Thomson in his cathode ray experiments, and the value is approximately 1.7588 x 10^11 C/kg.
Submitted by :- Jamil Ahmed