Answer:
0.25 x 10^16 electrons
Explanation:
Given:
Q = -4 mC
Q = (-4 / 1000) C
Q = -0.004 C
To Find:
No. of electrons = ?
Solution:
Q = n x e
-0.004 = n x (-1.6) x 10^-19 C
-4 x 10^-3 x 10^19 / (-1.6) = n
10^16/4 = n
Therefore, n = 0.25 x 10^16 electrons
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