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Coulombs Law Calculator

coulombs law calculator. Get instant, accurate results. Enter values for instant results with step-by-step formulas.

Reviewed by Manoj Kumar, Mathematics Educator

Reviewed by Manoj Kumar, Mathematics Educator

Formula

F = kqโ‚qโ‚‚/rยฒ

Electrostatic force between two point charges. k = 8.9875ร—10โน Nยทmยฒ/Cยฒ.

Worked Examples

Example 1: Two charges

Problem:qโ‚=1ฮผC, qโ‚‚=2ฮผC, r=0.1m

Solution:F=8.99e9ร—1e-6ร—2e-6/0.01=1.798 N

Result:1.798 N (repulsive)

Reviewed by Manoj Kumar, Mathematics Educator ยท Editorial policy