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TORQUE ON A BAR MAGNET IN A MAGNETIC FIELD AND POTENTIAL ENERGY OF A BAR MAGNET IN A MAGNETIC FIELD


 PHYSICS

CLASS-12


 CBSE BOARD/JEE-IIT/NEET/ICSE BOARD/BSEB (BIHAR BOARD)
LECTURE-6


 CHAPTER : MAGNETS AND EARTH MAGNETISM


 TOPICS :


 TORQUE EXPERIENCED BY BAR MAGNET ( MAGNETIC DIPOLE ) HELD IN A UNIFORM MAGNETIC FIELD,


 POTENTIAL ENERGY OF A MAGNETIC DIPOLE ( BAR MAGNET ) PLACED IN A UNIFORM MAGNETC FIELD :


 Torque on a bar magnet placed in a magnetic field:


 Definition of torque,


 Derivation of an expression for torque,


 Special cases,


 Vector form of expression,


 Definition of torque in terms of dipole moment,


 Potential energy of a bar magnet held in a magnetic field :


 Definition,


 Derivation of an expression for potential energy,


 Special cases,


 Vector form of expression.


 BY SHIVANAND CHOUDHARY


 www.snphysicsexpert.com


 B.D.GURUKUL


 RISHI NAGAR, RANIBAGH, DELHI-34, INDIA


 Google page : https://g.page/bdgurukul


 Facebook page : S n Physics Expert


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