The electric force of attraction between an electron and a proton is greater on (a) the proton. (b) the electron. (c) neither the proton nor the electron; both are the same. (d) none of these When a...

The electric force of attraction between an electron and a proton is greater on

(a) the proton.

(b) the electron.

(c) neither the proton nor the electron; both are

the same.

(d) none of these

When a pair of charged particles are brought twice as close to each other, the force between them becomes

(a) twice as strong.

(b) four times as strong.

(c) half as strong.

(d) one-quarter as strong.