c 9 98 x 10 Am d 10 2 x 10 Am 68 A solenoid has core of a

Last updated: 6/10/2023

c 9 98 x 10 Am d 10 2 x 10 Am 68 A solenoid has core of a material with relative 77 A ba permeability 500 and its windings carry a current of 1 A The number of turns of the solenoid is 500 per metre The magnetization of the material is nearly a 2 5 x 10 Am c 2 0 x 10 A m b 2 5 x 10 Am d 2 0 x 10 Am liquid which a b d F 78 The ra