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in Physics by (69.9k points)

Four cells, each of e.m.f. 1.5V and internal resistance 2.0 ohms are connected in parallel. The battery of cells is connected to an external resistance of 2.5 ohms. Calculate: 

(i) The total resistance of the circuit. 

(ii) The current flowing in the external circuit. 

(iii) The drop in potential across-the terminals of the cells. 

1 Answer

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Best answer

E.m.f. of cell (each) = 1.5V. and also e.m.f. of all four cells = 1.5V, internal resistance of each cell = 2.0 ohm.

Total internal resistance of all four cells

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