9 × 10–34 N The (dimensionless) ratio of the two forces shows that electrical
forces are enormously stronger than the gravitational forces Rationalised 2023-24
10
Physics
 (b) The electric force F exerted by a proton on an electron is same in
magnitude to the force exerted by an electron on a proton; however,
the masses of an electron and a proton are different Thus, the
magnitude of force is
|F| = 
41
0
2
2
πε
re
 = 8