two points charges of +1muC and +4muC respectively are placed at 12cm apart. Find the position of the point where electric field is zero.
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Answer:
4cm apart
Explanation:
Let consider a third charge,"q" be on the equilibrium position from 1 microcoulmb at a distance 'x' apart. therefore this charge be at a distance 12-x from second charge 4 micro coulomb.
according to coulomb's law,
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