1.

Two charges Q_(1) and Q_(2) Coulombs are shown in fig. A third charge Q_(3) coulomb is moved from point R to S along a circular path with P as centre Change in potential energy is

Answer»

`(1)/(4piepsilon_(0))Q_(1)Q_(2)Q_(3)`
`(Q_(1)Q_(2))/(piepsilon_(0))`
`(Q_(2)Q_(3))/(piepsilon_(0))`
`(4Q_(1)Q_(2))/(piepsilon_(0))`

Answer :C


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