Question
Fri February 01, 2013 By: Manoj

How to read this formula: Coulomb's lawF_vac=1/(4??_0 ).(q_1 q_2)/r^2 Please tell me.

Expert Reply
Fri February 01, 2013
It is the formula for columbic forces between two charges:
 
F = q1.q2/(4??)r2
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