04:34Torque acting on current loops | Moving charges & magnetism | Physics | Khan AcademyKhan Academy India - English274views
10:12Torque on a Current Loop In a Magnetic Field & Magnetic Dipole Moment - PhysicsThe Organic Chemistry Tutor308views
Multiple ChoiceA square loop of wire has a side length of 12 cm and carries a 10 A current. What is the size of its magnetic dipole moment?280views1rank
Multiple ChoiceA single circular loop of wire has a radius of 2.0cm, and carries a current of 4.0 A. What is the maximum torque that could be experienced by this loop due to earth's magnetic field?281views
Textbook QuestionA rectangular loop of wire carries a 2.0-A dc current and lies in a plane which also contains a very long straight wire carrying a 10.0-A current as shown in Fig. 28–58. Determine (a) the net force and (b) the net torque on the loop due to the straight wire. <IMAGE>9views
Textbook Question(II) An iron atom has a magnetic dipole moment of about 1.8 x 10⁻²³ A • m² . (a) Determine the dipole moment of an iron bar 15 cm long, 1.2 cm wide, and 1.0 cm thick, if it is 100 percent saturated. (b) What torque would be exerted on this bar when placed in a 0.80-T field acting at right angles to the bar?10views
Textbook Question(I) If the current to an electric motor drops by 18%, by what factor does the output torque change?6views