If the charge on an object is measured as 4.0 x 10 -18 C, how
PHYSICS
WAEC 2008
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 Answer: C. 25
Explanation
\(\frac{4 \times 10^{-18}}{1.6 \times 10^{-19}} = 25\)
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