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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two identical charged spheres suspended from a common point by two mass-less strings of length l are initially at a distance d ( d<<l) apart because of their mutual repulsion . The charge begins to leak from both the spheres at a constant rate. As a result the charge approach each other with a velocity v. Then as a function of distance x between them .

Two identical charged spheres suspended from a common point by two mass-less strings of length l are initially at a distance d ( d<<l) apart because of their mutual repulsion . The charge begins to leak from both the spheres at a constant rate. As a result the charge approach each other with a velocity v. Then as a function of distance x between them .

l is length of silk thread. Two small metal spheres having equal charges and mass are suspended from some point on the ceiling of a damp room with silk threads of equal length. Let centre to center distance between sphere be x X