Question

what is the exect value of 1/4π€°​

Answer 1

Answer:

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Step-by-step explanation:

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 (more later).