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2014-04-30T18:32:59+05:30
In magnetism Coulomb's law states that the force of attraction or repulsion between two magnetic poles is directly proportional to the product of their pole strength and inversely proportional to the square of distance them . 
And in electrostatic, coulomb's law states that the electrostatic force between two point charges is directly proportional to the product of their magnitudes and inversely proportional to the square of distance between their centres.
A body is said to have 1 Coulomb of charge, if it has 6.25 * 
 10^{18} electrons on it in excess or in deficit as compared to a neutral body containing normal number of electrons.............
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2014-04-30T18:34:32+05:30

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One coulomb is defined as the quantity of charge which when placed at a distance of 1 meter from an equal and a similar charge experiences a repulsive force of 9*10 power 9 newton

coulombs law states that the force between two point charges is directly proportional to the product of the charges and is inversely proportional to the square of the distance between then
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