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A coulomb is a unit of electric charge which
attract or repel each other. The protons and electrons being either positive or negative are measured with the formulas +1.6x10-19 C and -1.6x10-19 C. 1 coulomb is equal to the current of one ampere transmitted in one second. The coulomb is symbolized in equations by the uppercase letter C.
The Coulomb unit of electric charge was named after a French physicist Charles-Augustin Coulomb. The subsequent law “Coulomb’s law” which explains the
and attraction of electrically charged objects is similarly named.
Charles Augustin De Coulomb
Coulomb’s present a way for science to accurately measure the force of electric charges and their attraction as well as repulsion to each other. Electrically charged objects will either repulse or attract depending on the positivity or negativity of those charges.
are early examples of this attract/repel relationship defined by Coulomb.
Pith-ball type of electroscope with an attracting charge.
Beiser, A. (1988).
Physical Science (2nd Edition)
. New York, NY: McGraw Hill
Image of Charles A. Coulomb (n.d.)
Coulomb's law of force
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