The electrostatic force between two point charges $q_{1}$ and $q_{2}$ at separation 'r' is given by $F = \frac{K q_{1} q_{2}}{r^{2}}$ . The constant K:

Depends on the system of units only

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Depends on the medium between the charges only

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Depends on both the system of units and the medium between the charges

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Is independent of both the system of units and the medium between the charges

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Solution

The correct option is C Depends on both the system of units and the medium between the charges
$K = \frac{1}{4 π ϵ_{o} k}$ and its units is $N - m^{2} / C^{2}$
It depend on system of unit and dielectric constant (k), that's medium between charges

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The electrostatic force between two point charges $q_{1}$ and $q_{2}$ at separation 'r' is given by $F = \frac{K q_{1} q_{2}}{r^{2}}$ . The constant K:

The correct option is C Depends on both the system of units and the medium between the charges
$K = \frac{1}{4 π ϵ_{o} k}$ and its units is $N - m^{2} / C^{2}$
It depend on system of unit and dielectric constant (k), that's medium between charges