Emf of a cell when the cell is charging and discharging and Open circuit and Short circuit is considered one of the most asked concept.
9 Questions around this concept.
If the terminal of a battery is short-circuited then the current flowing through it is
Emf of a cell when the cell is charging and discharging and Open circuit and Short circuit
Open circuit:

Short circuit

Two terminals of a cell are joined together by a thick conducting wire
Maximum current $i=\frac{E}{r}$
$V=0$
Equation of cell
1. When supplying the current: $E=V+i R$
2. When the cell is being charged: $E=V-i R$
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