Coulomb's Law (Electric Force) Video Lessons

Concept

# Problem: The ratio of the electric force between two electrons to the gravitational force between them is of the order ofA.  1042B. 1040C. 1036 D. 1032

###### FREE Expert Solution

We are required to determine the ratio FE:FG.

FE is given by coulomb's law:

$\overline{){{\mathbf{F}}}_{{\mathbf{E}}}{\mathbf{=}}\frac{\mathbf{k}{\mathbf{q}}_{\mathbf{1}}{\mathbf{q}}_{\mathbf{2}}}{{\mathbf{r}}^{\mathbf{2}}}}$

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###### Problem Details

The ratio of the electric force between two electrons to the gravitational force between them is of the order of

A.  1042

B. 1040

C. 1036

D. 1032