A) 2V
B) 4V
C) 6V
D) \[2\sqrt{2}V\]
Correct Answer: A
Solution :
[a] \[E={{W}_{0}}+e{{V}_{0}}\Rightarrow 4eV=2eV+e{{V}_{0}}\Rightarrow {{V}_{0}}=2\ volt\]
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