A variable, opposite external potential \[({{E}_{ext}})\] is applied t – McqOptions

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1.	A variable, opposite external potential \[({{E}_{ext}})\] is applied to the cell \[Zn\|Z{{n}^{2+}}(1M)\|\|C{{u}^{2+}}(1\,M)\|Cu,\] of potential 1.1 V. When \[{{E}_{ext}}1.1V\], respectively electrons flow from:
A.	anode to cathode in both cases
B.	cathode to anode and anode to cathode
C.	anode to cathode and cathode to anode
D.	cathode to anode in both cases
Answer» D. cathode to anode in both cases

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