Two point charges A and B, having charges $$+Q$$ and $$-Q$$ respectively, are placed at certain distance apart and force acting between them is F. If $$25$$% charge of A is transferred to B, then force between the charges becomes

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Infinity Learn · Accepted Answer

In case I :$$F=-14$$πε$$0Q2r2$$                                                      .........(i)  In Case II : $$QA=Q-Q4$$,$$QB=-Q+Q4$$ ∴F'$$=14$$πε$$0Q-Q4-Q+Q4r2$$ $$=14$$πε$$034Q-34Qr2=-14$$πε$$0916Q2r2$$                  .......(ii)  From equations (i) and (ii), F'$$=916F$$

Two point charges A and B, having charges +Q and -Q respectively, are placed at certain distance apart and force acting between them is F. If 25% charge of A is transferred to B, then force between the charges becomes

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