When cells are connected in series, their electromotive forces (emfs) add up. If a cell is connected incorrectly (reverse polarity), its emf opposes the total emf.
A battery consists of 10 cells, each of emf 1V. If 2 cells are wrongly connected, the emf of the battery becomes
Asked in WBPSC CS Prelims 2021 · Topic: Electric Current (Electromotive Force (EMF) and internal resistance of a cell)
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