1.

Tell me the expression for when cells are of different emf and internal resistance ​

Answer»

ANSWER:

Explanation:

In series

E= E1 + E2 ..........En

r= R1 + R2 .............rn

In parallel

E= (E1r2 + E2r1) / (r1 + r2)

r= r1r2 / r1 + r2



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