1.

A point charge +Q is placed at point B at a distance 2R from the center O of an uncharged thin conducting shell of radius R as shown in figure. If VA be the potential at point A, which is at a radial distance of R//2 from the center of the shell, then

Answer»

`V_AgtQ/(8piepsilon_0R)`
`V_Alt Q/(8piepsilon_0R)`
`V_A=Q/(8piepsilon_0R)`
`V_A = 0`

SOLUTION :Since ELECTRIC FIELD inside the conducting shell is ZERO,
`V_(0)=V_(A)` and `V_(0)=(Q)/(8piepsilon_(0)R)`
`THEREFORE V_(A)=(Q)/(8piepsilon_(0)R)`


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