Question

why the value of k in electric field is constant?​

Answer 1

The Coulomb constant, the electric force constant, or the electrostatic constant (denoted ke, k or K) is a proportionality constant in electrostatics equations. In SI units it is equal to 8.9875517923(14)×109 kg⋅m3⋅s−2⋅C−2.

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Coulomb constant.

Value of k                                     Units

8.9875517923(14)×109                N·m2/C2

14.3996                                        eV·Å·e−2

10−7                                         (N·s2/C2)c2

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Answer 2

Answer:

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