A) 0.10m
B) 0.25m
C) 0.50m
D) 0.75m
Correct Answer: D
Solution :
[d] Effective emf of two cells in parallel \[\varepsilon =\frac{{{\varepsilon }_{2}}{{r}_{1}}-{{\varepsilon }_{1}}{{r}_{2}}}{{{r}_{1}}+{{r}_{2}}}=\frac{3\times 2-2\times 1}{2+1}=\frac{4}{3}V\] X terminal of the connection is positive. For neutral point, positive terminal of\[{{\varepsilon }_{0}}\]must be connected to X.
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