In the previous question, the potential difference across `A` is.

Options

A. `(2 epsilon)/(n)`
B. `epsilon(1 - (1)/(n))`
C. `2 epsilon(1 - (1)/(n))`
D. `(epsilon(n - 2)/(n))`

Answer

C

Explanation

`V' E + ir = E + ((n-2))/(nr).r =(2(n-1)E)/(n) = 2E (1 - (1)/(n))`.