Answer:
Force = 2.4 10^(-17) N
Explanation:
Recall that if you have the field, the force is easily obtained by multiplying E times the charge:
F = E * q = 150 * 1.6 10^(-19) N = 240 * 10^(-19) N = 2.4 10^(-17) N
which agrees with answer C in your list of possible answers.
