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Physics
Physics
Problem
An oil drop has
6.39
×
10
−
19
6.39 \times 10^{-19}
6.39
×
1
0
−
19
charge. What will be the number of electrons in this drop? 1) 2 2) 4 3) 8 4) 16 1) 2 2) 4 3) 8 4) 16
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