A point charge is surrounded symmetrical...

A point charge is surrounded symmetrically by six identical charges at distance `r` as shown in the figure How much work is done by the froces of electrostatic repulsion when the point charge at the centre is removed to infinity ?

Zero

`(8q^(2))/(4 pi epsilon_(0)r ) `

`(8q)/(4 pi epsilon_(0)r )`

`(64 q^(2))/(4 pi epsilon_(0)r )`

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