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Physics
Coulombs law relates two charges and distance between them describing the electric force as being
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Q. Coulombs law relates two charges and distance between them describing the electric force as being
Electric Charges and Fields
A
proportional to the sum of the charges
3%
B
inversely proportional to the distance between charges
5%
C
proportional to the product of the charges and inversely proportional to the distance
6%
D
proportional to the product of the charges and inversely proportional to the square of distance
87%
Solution:
Coulomb's law can be given by:
$F = k \frac{ q _{1} q _{2}}{ r ^{2}}$
$\therefore F \propto \frac{1}{ r ^{2}}$