A solenoid resistance battery Time taken for the magnetic

Last updated: 6/27/2023

A solenoid resistance battery Time taken for the magnetic energy reach 1 4 th of its maximum value has an inductance of 10 henry and of 2 Q It is connected to a 10 approximately 1 2 s 3 3 5 s 2 8 s 4 2 5 s A