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 If the e.m.f of a galvanic cell is negative, it implies that : 

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By Expert Faculty of Sri Chaitanya
a
the cell reaction is spontaneous
b
the cell reaction is non-spontaneous
c
the cell reaction is exothermic
d
the cell is working in reverse direction
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detailed solution

Correct option is B

emf of galvanic cell becomes – x volts when it is connected to external battery with high voltage


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