Coulomb's Law (Electric Force) Video Lessons

Concept

# Problem: The value of the constant k in coulomb's law is :a. 9 × 103b. 9 × 105c. 9 × 107d. 9 × 109

###### FREE Expert Solution

In Coulomb's law, the constant k is the Coulomb's constant.

k is expressed as:

$\overline{){\mathbf{k}}{\mathbf{=}}\frac{\mathbf{1}}{\mathbf{4}{\mathbf{\pi \epsilon }}_{\mathbf{0}}}}$

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###### Problem Details

The value of the constant k in coulomb's law is :

a. 9 × 103
b. 9 × 105
c. 9 × 107
d. 9 × 109