Question
+4q and -q are two charges separated by a distance ‘d’ metre.
Where should be a third charge +Q be
placed to attain equilibrium?
Where should be a third charge +Q be
placed to attain equilibrium?
Answers
R_scott
the charges (from left to right) ... +4q ... d ... -q ... x ... +Q
the repulsion of +4q must equal the attraction of -q
use the electrostatic force equation to find x
the repulsion of +4q must equal the attraction of -q
use the electrostatic force equation to find x