At t 0 switch is closed At t 7 sec core is dragged out

Last updated: 6/11/2023

At t 0 switch is closed At t 7 sec core is dragged out suddenly by an external agent Find the value of current just before and just after pulling the core Resistance of the circuit is very small and can be neglected A i before 2ET 4 9 Hr i after ET 2Lo i R 0 Lo E S ET ET B bative 2 later 14 215 ibefore Lo Lo