1. (a) Define battery. How are overall emf of
battery related to emf of the cells when
connected in series?
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8
The overall emf of the battery is the algebraic sum of all individual cells connected in series. Similarly, if r1, r2, r3 are the internal resistances of individual cells, then the internal resistance of the battery will be equal to the sum of the internal resistance of the individual cells
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Answer:
Battery - a device which provides electricity for a toy, radio, car, etc.
The overall emf of the battery is the algebraic sum of all individual cells connected in series. Similarly, if r1, r2, r3 are the internal resistances of individual cells, then the internal resistance of the battery will be equal to the sum of the internal resistance of the individual cells.
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