Combinations of Cells

Chapter-3|Current Electricity| NCERT 12th Physics:

Combinations of Cells

Two Cells in Series:

When two cells are connected in series, then total EMF of cells Eeq= E₁+E₂ and total internal resistance req= r₁+r₂

 

If Cells Are Connected – to – And + to + Terminal in Series:

 

Two Cells in Parallel:

When two cells are connected in parallel, then we connect – to – and + to + terminals.

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