Is it possible to have a charge of 5 x 10-20 C? Why?
Is it possible to have a charge of 2.4 x 10--18 C? Why?
Is it possible to have a charge of 2.0 x 10-19 C? Why?
Two charges Q and 5Q, are separated by some distance. How do the forces compare on each charge? Why?
What is the electric force between charges of +4.5 x 10-6 C and +7.2 x 10-6 C when they are separated by a distance of 0.30 cm? Is it attractive or repulsive?
A hydrogen atom is made up of 1 proton and 1 electron separated by a distance of 5.3x10−11m. How does the electric force compare to the gravitational force between these particles?