Four cells each of internal resistance 1 ohm and e.m.f. 1.9v are connected to a external resistance of 18 ohm.the cells are connected in pair of two. the two pairs are connected in parallel . find the terminal potential difference of this combination?
1 Answer
Aug 24, 2017
The potential difference is
Explanation:
We apply the equation
The emf is
The cells are in series-parallel and the internal resistances as well.
The total resistance is
The current is
So, the potential difference is