An Exemplary Viva Voce (CBSE Class XII Physics Practical)

(Assuming that the student was assigned the experiment “To determine the internal resistance of a cell using potentiometer”) Examiner (E): What was the experiment allotted to you? Students(S): Sir, I was assigned the experiment to determine the internal resistance of a primary cell using potentiometer. E: OK, Tell me the principle of a potentiometer S:…… Continue reading An Exemplary Viva Voce (CBSE Class XII Physics Practical)