Question:

A solenoid has an inductance of 20H and a resistance of 40

Last updated: 6/8/2023

A solenoid has an inductance of 20H and a resistance of 40

A solenoid has an inductance of 20H and a resistance of 40 It is connected to a 20V battery How long will it take for the magnetic energy to reach 1 9th of its maximum value A 5ln 3 2 B 5ln 2