666PhysicsMedium
A million electron are added to a pith ball. Its charge is________?
A– 1.6 × 10 coulomb
B– 1.6 × 10 –13 coulomb
C– 1.6 × 10 –12 coulomb
D– 1.6 × 10 –18 coulomb
Correct answer
B. – 1.6 × 10 –13 coulomb
Explanation
– 1.6 × 10 –13 coulomb is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.