^Short circuiting a cell

Short circuiting a cell

If resistance of the wire AB = R is zero & the switch S is closed, then the cell is said to be short circuited.

Then we can write & In fact this is the maximum value of current that can be supplied by a cell or a battery.

i.e. terminal potential difference of a short circuited cell is zero.

A cell with high emf & low internal resistance is most likely to be damaged due to short circuiting.

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