19 A bar magnet of length 10cm and pole streng 20A m is

Last updated: 6/9/2023

19 A bar magnet of length 10cm and pole streng 20A m is deflected through 30 from the magnetic meridian If earth s horizontal component field is A m The moment of the deflecting couple is 320 4t 1 160 10 7 Nm 3 320 10 7Nm 2 320x107 Nm 4 160 10 7Nm