In Coulumb-s law- the constant of proportionality- K - 1 4 -0 has units

The correct option is B Nm^2 / C ^2 The Coulomb force is given as #10; #10; F = #10;Kq_1q_2R^2 #10; #10;The unit of charge is coulomb ...

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Standard XII

Physics

Coulomb's Law - Mathematical Form

In Coulumb's ...

Question

In Coulumb's law, the constant of proportionality, $K = \frac{1}{4 π ϵ_{0}}$ has units

N

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N - m^{2}

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N m^{2} / C^{2}

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N C^{2} / m^{2}

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Solution

The correct option is B $N m^{2} / C^{2}$
The Coulomb force is given as

$F = \frac{K q_{1} q_{2}}{R^{2}}$

The unit of charge is coulomb $(C)$

Unit of distance is meter $(m)$

Unit of Force is Newton $(N)$

Then on substituting all the

$K = \frac{N - m^{2}}{C^{2}}$

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In Coulumb's law, the constant of proportionality, K=14πϵ0 has units

The correct option is B Nm2/C2The Coulomb force is given as F=Kq1q2R2 The unit of charge is coulomb(C) Unit of distance is meter (m) Unit of Force is Newton (N) Then on substituting all the K=N−m2C2

In Coulumb's law, the constant of proportionality, $K = \frac{1}{4 π ϵ_{0}}$ has units

The correct option is B $N m^{2} / C^{2}$
The Coulomb force is given as

$F = \frac{K q_{1} q_{2}}{R^{2}}$

The unit of charge is coulomb $(C)$

Unit of distance is meter $(m)$

Unit of Force is Newton $(N)$

Then on substituting all the

$K = \frac{N - m^{2}}{C^{2}}$