** Magnetic Field **

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** Demo Video **

**All Lectures **

**Lect # 1**

**Content Covered:**

Natural magnet ,pole strength , magnetic dipole moment

**Duration:**20 Minutes

**Lect # 2**

**Content Covered:**

magnetic field produced by Natural magnet at axial point , at Equatorial point and at general point, natural magnet in external magnetic field, Force ,Torque and potential energy of a magnet in external magnetic field. Force between two magnets-

**Duration:**37 Minutes

**Lect # 3**

**Content Covered:**

magnetic effect of charge and current, some important points , Right hand screw rule

**Duration:**28 Minutes

**Lect # 4**

**Content Covered:**

Biot savort’s law , Right hand palm rule. Magnetic field produced by straight conductor

**Duration:**30 Minutes

**Lect # 5**

**Content Covered:**

Shape of magnetic lines of forces around a conductor, some important problems

**Duration:**43 Minutes

**Lect # 6**

**Content Covered:**

Circular arc and circular loop, solenoid and troid, magnetic field produced by solenoid and toroid

**Duration:**53 Minutes

**Lect # 7**

**Content Covered:**

Magnetic field produced by moving charge, Biot savort’s law for moving charge. Magnetic field due to circular motion of charge

**Duration:**26 Minutes

**Lect # 8**

**Content Covered:**

closed loop as a magnet . . magnetic dipole moment of closed loop, magnetic dipole moment of rotating charged bodies

**Duration:**26 Minutes

**Lect # 9**

**Content Covered:**

ampere’s law , application of ampere’s law to find the magnetic field due to straight long conductor and long cylindrical conductor

**Duration:**29 Minutes

**Lect # 10**

**Content Covered:**

problems on magnetic field due to cylindrical cavity inside a cylindrical conductor

**Duration:**25 Minutes

**Lect # 11**

**Content Covered:**

Lorentz’s force, magnetic force on moving charge, motion of charge in external magnetic field , motion on circular path, important problems

**Duration:**47 Minutes

**Lect # 12**

**Content Covered:**

motion of charge on helical path with constant pitch, motion on helical path with increasing pitch,

**Duration:**34 Minutes

**Lect # 13**

**Content Covered:**

Motion of charge on cycloid path

**Duration:**27 Minutes

**Lect # 14**

**Content Covered:**

magnetic force on a current carrying conductor, magnetic force between two straight current carrying conductors

**Duration:**27 Minutes

**Lect # 15**

**Content Covered:**

Important problems ,magnetic force and torque on closed loop in external magnetic field

**Duration:**28 Minutes

**Lect # 16**

**Content Covered:**

Earth as a magnet, magnetic and geographical axis, magnetic and geographical meridian, angle of declination, angle of dip, horizontal & vertical component of earth’s magnetic field

**Duration:**29 Minutes