Physics, asked by ameer1933, 1 year ago

32 cells each of emf 3volt are connected in series and kept in a box. externally the combination shows an emf of 84volt. how many number of cells are connected reversely?

Answers

Answered by poorvi9654
6
Let X cells connected positive to positive and y cells br reversed
Than
x+y=32
and
3x-3y=84
Solving this we get x=30 and y=2
Therefore 2 cells are reversed.
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