1 Two cells of emf 2E and E with internal resistance r and r

Last updated: 6/9/2023

1 Two cells of emf 2E and E with internal resistance r and r respectively are connected in series to an external resistor R see figure The value of R at which the potential difference across the terminals of the first cell becomes zero is 1 1 1 ol 2 vi 2E 2E Official Ans by NTA 2 2E E www R 3E i R 1 1 TPD 2Eir 0 2E ir wwww R 2 3Ex 1 R 1 5 92 12 w www t 1 E 4 1 1