Question text
37 Why are batteries sometimes made from several identical cells arranged in parallel? A The battery has a greater e.m.f. than a single cell on its own. B The battery has a lower e.m.f. than a single cell on its own. C The battery lasts longer than a single cell on its own. D The battery supplies a smaller current than a single cell on its own.
37 Why are batteries sometimes made from several identical cells arranged in parallel?
A The battery has a greater e.m.f. than a single cell on its own.
B The battery has a lower e.m.f. than a single cell on its own.
C The battery lasts longer than a single cell on its own.
D The battery supplies a smaller current than a single cell on its own.
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