Question

A cell gives a balance with 85 cm of a potentiometer wire. When the terminals of the cell are shortend through a resistance of 7.5 ohm a balance is obtained at 75 m

Answer 1

Answer:

ii) To determine the internal resistance of a given primary cell ( 1 ) Take out plug in key k~ ... A cell give a balance point with 85 cm of potentiometer wire, when the ... A balance point is obtained at 75 .