If the charge on an object is measured as 4 0 x... - WAEC Physics 2008 Question
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
correct option: c
(\frac{4 \times 10^{-18}}{1.6 \times 10^{-19}} = 25)
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