Ptyree4828 Ptyree4828

06-02-2024
Biology

contestada

n identical cells are joined in series with two cells a and b with reversed polarities. The emf of each cell is e, and the internal resistance is r. What is the potential difference across cell a or b?
a) e - 2nr
b) 2ne - r
c) 2nr - e
d) e + 2nr

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