A R 5 B R 4 C R 2 2R www D R E 2R 21 R 23 Three resistors

Last updated: 6/7/2023

A R 5 B R 4 C R 2 2R www D R E 2R 21 R 23 Three resistors are connected to an ideal battery as shown in the figure above The battery has an emf E Two of the resistors have known resistances R and 2R The third resistor has unknown resistance X The current in two of the branches is shown What is the value of the unknown resistance X X