19 Using Kirchhoff s rules determine the value of unknown

Last updated: 6/20/2023

19 Using Kirchhoff s rules determine the value of unknown resistance R in the circuit Fig 2 62 so that no current flows through 40 resistance Also find the potential differ ence between A and D F A 12 10 9 V IE www 40 T6V 3V I B Fig 2 62 IC R 20 3 V