If the charge on an object is measured as 4.0 x 10-18C, how many excess electrons does the object possess, given that the charge of an electron is 1.6 x 10-18C
A
18
B
19
C
25
D
37
Verified Correct Answer: C.
Physical Principles & Numerical Solution
\(\frac{4 \times 10^{-18}}{1.6 \times 10^{-19}} = 25\)
Source: Myschool Past Questions Archive (Record #35085)