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Phhysics Lover

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Member advised to use the homework template for posts in the homework sections of PF.

**A point charge q is placed at a distance 2r from center O of a conducting charged sphere of radius r .Due to the induced charges on the sphere ,find electric potential at point P on surface of sphere [if Kq/r=18V]**

**I tried this**

at point P

V

now V

but I cannot find way to calculate VAssume a uncharged sphere of radius r and a charge q is kept at distance 2r from center and P is point diametrically opposite to q See second image

at point P

V

_{net}=V_{induced}+V_{charge}now V

_{charge}=kq/3rbut I cannot find way to calculate V

_{net}to find V_{induced}