7 A solenoid of length 20 cm area of cross section 40 cm and

Last updated: 6/30/2023

7 A solenoid of length 20 cm area of cross section 40 cm and having 4000 turns is placed inside another solenoid of 2000 turns having a cross sectional area 8 0 cm and length 10 cm Find the mutual inductance between the solenoids Ho 200 of nodius R and having