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(Figure 3.158) shows two conducting thin...

(Figure 3.158) shows two conducting thin concentric shells of radii `r` and `3 r`. The outer shell carries charge `q` and the inner shell is neutral . The amount of charge that flows from the inner shell to the earth after the key `K` is closed is equal to `(1//n)^(th)` of the charge on the outer shell. What is the value of `n` ?
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