774PhysicsMedium
If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?
Aτ = NIAB
Bτ = NIAB tanφ
Cτ = NIAB cosφ
Dτ = NIAB sinφ
Correct answer
A. τ = NIAB
Explanation
τ = NIAB is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.