on external magnetic 4 No field lines exists inside the

Last updated: 6/30/2023

on external magnetic 4 No field lines exists inside the magnet A magnetic needle lying parallel to a magnetic fiel requires W units of work to turn it through 60 TH magnitude of torque required to maintain t needle in same field at an angle of 30 with fielc N mis 1 2W 3 3 W 2 W W 4 3 w