A) \[2.10\,\,V\]
B) \[2.94\,\,V\]
C) \[1.50\,\,V\]
D) \[~1.20\,\,V\]
Correct Answer: B
Solution :
For equating emf of two ceils \[\frac{{{e}_{1}}}{{{e}_{2}}}=\frac{{{I}_{1}}}{{{I}_{2}}}\] \[\frac{2.1}{E}=\frac{40}{56}\] \[E=\frac{2.1\times 56}{40}=2.94\,V\]You need to login to perform this action.
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