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EMF of a cell in terms of reduction potential of its left and right electrodes is                                       [AIEEE 2002]

A.                 \[E={{E}_{left}}-{{E}_{right}}\]   
B.                 \[E={{E}_{left}}+{{E}_{right}}\]
C.                 \[E={{E}_{right}}-{{E}_{left}}\]   
D.                 \[E=-({{E}_{right}}+{{E}_{left}})\]
Answer» D.                 \[E=-({{E}_{right}}+{{E}_{left}})\]


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