Question:

4 All of the above The magnetic needle shown in the figure

Last updated: 6/14/2023

4 All of the above The magnetic needle shown in the figure

4 All of the above The magnetic needle shown in the figure has magnetic moment 6 7 x 10 2 A m and moment of inertia 7 5 x 10 6 kg m It performs 10 complete oscillations in 6 70 s The magnitude of magnetic field is