Class 12 Physics Magnetism & Magnetic Effect of Electric Current Unit 3


Magnetism & Magnetic Effect of Electric Current 

MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT
Earth’s magnetic field and magnetic elements
E X A M P L E 3.1
Basic properties of magnets
E X A M P L E 3.2
E X A M P L E 3.3
Magnetic field lines
Magnetic flux
Uniform magnetic field and Non- uniform magnetic field
E X A M P L E 3.4
Coulomb’s  inverse square law of magnetism
E X A M P L E 3.5
Magnetic field at a point along the axial line of the magnetic dipole
Magnetic field at a point along the equatorial line due to a magnetic dipole
E X A M P L E 3.6
Torque acting on a bar magnet in uniform magnetic field
E X A M P L E 3.7
Potential energy of a bar magnet in a uniform magnetic field
E X A M P L E 3.8
Tangent law and Tangent Galvanometer
E X A M P L E 3.9
Magnetic Properties
E X A M P L E 3.10
E X A M P L E 3.11
E X A M P L E 3.12
Diamagnetic materials
Paramagnetic materials
Ferromagnetic materials
Hysteresis
E X A M P L E 3.13
Oersted experiment
Magnetic field around a straight current carrying conductor and circular loop, Right hand thumb rule
Maxwell’s right hand cork screw rule 
E X A M P L E 3.14
BIOT - SAVART LAW
Similarities & Differences  between Coulomb’s law and Biot-Savort’s law
Magnetic field due to long straight conductor carrying current
E X A M P L E 3.15
E X A M P L E 3.16
Magnetic field produced along the axis of the current carrying circular coil
E X A M P L E 3.17
Current loop as a magnetic dipole
Magnetic dipole moment of revolving electron
Ampere’s circuital law
E X A M P L E 3.18
Solenoid
Magnetic field due to a long current carrying solenoid
E X A M P L E 3.19
Toroid
Lorentz force
Force on a moving charge in a magnetic field
E X A M P L E 3.20
E X A M P L E 3.21
Motion of a charged  particle in a uniform magnetic field
E X A M P L E 3.22
E X A M P L E 3.23
E X A M P L E 3.24
Motion of a charged particle under crossed electric and magnetic field
E X A M P L E 3.25
Cyclotron
E X A M P L E 3.26
Force on a current carrying conductor placed in a magnetic field
Fleming’s left hand rule (mnemonic)
E X A M P L E 3.27
Force between two long parallel current carrying conductors
Expression for torque on a current loop placed in a magnetic field
E X A M P L E 3.28
Moving coil galvanometer
E X A M P L E 3.29
E X A M P L E 3.30
Galvanometer to an Ammeter
Galvanometer to a voltmeter

2 comments:

  1. UnknownJuly 25, 2020 at 6:23 AM

    Sir,magnetic field due the current carring wire of infinite length using ampere's law video is not uploaded sir

    ReplyDelete
  2. UnknownJuly 25, 2020 at 7:02 AM

    sir i am very prowd of you sir because i have best understand and memorizing skill because of u i feel very happy to admire such a best teacher in world

    ReplyDelete

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