3.To determine internal resistance of a cell
{"Image DocumentName": "3.To determine internal resistance of a cell", "Image ImageDescription": "A cell of e.m.f. E1 and internal resistance. r1 is connected with potentiometer. The known resistance R1 from resistance box along with plug key K1 is connected across a cell of emf E1. Initially plug key K is closed and K1 is kept open.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}