1.

Two identical small spheres carry charge of Q_(1) and Q_(2) with Q_(1) gt gt Q_(2). The charges are d distance apart. The force they exert on one another and then spheres are made to touch one another and then separated to distance d apart. The force they exert on one another now is F_(2). Then F_(1)//F_(2) is :-

Answer»

`(4Q_(1))/(Q_(2))`
`(Q_(1))/(4Q_(2))`
`(4Q_(2))/(Q_(1))`
`(Q_(2))/(4Q_(1))`

Answer :B


Discussion

No Comment Found

Related InterviewSolutions