A) \[n\varepsilon ,\left( nr-3r \right)\]
B) \[\left( n\varepsilon -2\varepsilon \right)nr\]
C) \[\left( n\varepsilon -4\varepsilon \right)nr\]
D) \[\left( n\varepsilon -6\varepsilon \right)nr\]
Correct Answer: D
Solution :
[d] Since due to wrong connection of each cell the total emf reduced to 2e then for wrong connection of three cells the total emf will reduced to \[\]whereas the total or equivalent resistance of cell combination will be nr.
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