Psychology, asked by RiyaMohekar98, 5 days ago

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Answered by aniket8837320
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is a constant of proportionality known as the Coulomb constant, having the value 9 x 109 N.m2 / C2 in a vacuum. Note that the Coulomb constant, k, is often replaced with (1/4π ε0), where ε0is the permittivity of the vacuum

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