6 The period of oscillation of compass needle is 8 s at a

Last updated: 6/19/2023

6 The period of oscillation of compass needle is 8 s at a place where dip angle is 30 and magnetic field is B another place where dip angle is 60 and magnetic field is B the period of oscillation is 4 s then B is B 1 4 3 2 3 3 3 5 7 4 87 Nou Delhi 110005 Ph 011 4762345