When there are three cells in a circuit how would the ammeter change?

In a circuit with three cells, the ammeter reading will depend on how the cells are connected. If they are connected in series, the total voltage increases, which can lead to a higher current, assuming resistance remains constant. If they are connected in parallel, the voltage remains the same as a single cell, but the total current could increase due to the combined capacity of the cells. Therefore, the ammeter's reading will vary based on the configuration of the cells.