問題詳情
24. A magnetic dipole made of a conductive ring carrying a current I. Observ-ing from far away; which of the following statements are FALSE?
(A) If themagnetic dipole is placed in a uniform magnetic feld, it experiences no netmagnetic force.
(B) The magnetic dipole experiences a net torque if its dipolemoment is parallel to the uniform magnetic feld.
(C)The magnetic dipolemay experience a net force induced by another magnetic dipole.
(D) Themagnetic field induced by the magnetic dipole is approximately proportionalto the area of the ring.
(E) The magnetic field induced by the dipole isapproximately inversely proportional to the square of the distance from it.
參考答案
答案:B,E
難度:計算中-1
書單:沒有書單,新增