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There are three charges Q(1) columb Q(2)...

There are three charges `Q_(1)` columb `Q_(2)` columb and `Q_(3)` columb. `Q_(2)` and `Q_(3)` are fixed at positive `(0,0)` and `(30,0)` respectively.Now `Q_(1)` moves in circular path in `x -y` plane of radius `40 m` with help of external agent starting from `(0 ,40)` about origin then work done by external agent is till `Q_(1)` crosses x axis `(40, 0)` given co-ordinates are in centimeters: (1) `(Q_(1)Q_(3))/(4 pi epsilon_(0))` joule (2) `(Q_(1)Q_(3))/(2 pi epsilon_(0))` joule (3) `(2Q_(1)Q_(3))/(pi epsilon_(0)) `joule (4) `(2Q_(1)(Q_(2)+Q_(3)))/(pi epsilon_(0))` joule

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