Q 127 A potentiometer wire of length L and a resistance r

Last updated: 6/14/2023

Q 127 A potentiometer wire of length L and a resistance r are connected in series with a battery of e m f E and resistance r An unknown e m f E is balanced at a length of the potentiometer wire The e m f E will be given by 1 LEor r r Enr l 2 LE or 1 Egl Q 127 L stoffsh r fanzit Sta 1 0