Set 9 q 8 or Q Calculate the moment of the couple required to keep a bar magnet of - Physics - Magnetism And Matter

Question

Set 9 q 8 or
Q Calculate the moment of the couple required to keep a bar magnet
of moment 200 C G S units in a uniform magnetic field of 0 39
Oersted at an angle of 30 ° with the direction of the field

Vijay Shankar Yadav · Accepted Answer

Dear Student,
We have τ=μ×B=μBsin(θ)=200×
39×12=39dyne cm(CGS unit)
Regards

Set 9.q.8.or Q. Calculate the moment of the couple required to keep a bar magnet of moment 200 C.G.S units in a uniform magnetic field of 0.39 Oersted at an angle of 30 ° with the direction of the field.

Set 9.q.8.or
Q. Calculate the moment of the couple required to keep a bar magnet of moment 200 C.G.S units in a uniform magnetic field of 0.39 Oersted at an angle of 30 $°$ with the direction of the field.