Two electrons are separated by a distance of 5 × 10-11 m.
Which is an estimate of electric repulsion forcegravitational attraction force\displaystyle \frac{\text{electric repulsion force}}{\text{gravitational attraction force}}gravitational attraction forceelectric repulsion force for these two electrons?
102010^{20}1020
103210^{32}1032
103610^{36}1036
104310^{43}1043
