A) zero
B) \[\varepsilon \]
C) \[\frac{\varepsilon }{n}\]
D) \[\frac{n-1}{n}\varepsilon \]
Correct Answer: A
Solution :
As current in circuit, \[i=\frac{n\varepsilon }{nr}=\frac{\varepsilon }{r}\] The equivalent circuit of one cell is shown in the figure potential difference across the cell \[{{V}_{A}}-{{V}_{B}}=-\varepsilon +ir=-\varepsilon +\frac{\varepsilon }{r}\,r=0\]You need to login to perform this action.
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