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Two concentric hollow conducting spheres of radius r and R. The charge on outer shell is Q. What charge should be given to inner spgere so thag potential at any point P outside the outer sphere is zero

Amulya , 6 Years ago
Grade 12
anser 2 Answers
Arun

Last Activity: 6 Years ago

i think the answer is -Q as the sum of potential must be zero outside the outer sphere
 
Hope it helps
 
Regards
Arun (askIITians forum expert)

Khimraj

Last Activity: 6 Years ago

V = KQ/R + Kq/r
V = 0
so Q + q = 0
the q = -Q
Hope it clears.....................................................................................

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