We are being asked to calculate the number of electrons acquired when the body develops a charge of -14 microcoulomb.
Recall: The attractive and repulsive forces between charged particles can be explained by Coulomb’s Law.
We can use Coulomb's law and apply the following formula to solve the problem:
Q is the charge in Coulomb
n is the number of electrons
e is the electronic charge = -1.60x10-19 Coulomb per electron
On a dry day, your body can accumulate static charge from walking across a carpet or from brushing your hair.
If your body develops a charge of -14 C (microcoulombs), how many excess electrons has it acquired?
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