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Grade: 12 

                        
‘n' identical cells are joined in series with two cells A and B with reverse polarities .EMF of each cell is ‘E' and internal resistance 'r'. Calculate the potential difference across the cell A and B.
4 years ago

Answers : (1)

Vikas TU
12154 Points 
							
netresistance = nr
net voltage in series = ne
E1 = e + ir
for n cells and n resitances,
E2 = ne + i(nr)
potential diff.
E1 – E2. hence.
4 years ago
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