Magnetic Effects of Current and Magnetism Notes for JEE

Subtopics in Magnetic Effects of Current and Magnetism

• Biot Savart law and its application to the current carrying circular loop
• Ampere's law and its applications to infinitely long current carrying straight wire and solenoid
• Force on a moving charge in uniform magnetic and electric fields
• Force on a current-carrying conductor in a uniform magnetic field
• The force between two parallel currents carrying conductors-definition of ampere
• Torque experienced by a current loop in a uniform magnetic field: Moving coil galvanometer, its sensitivity and conversion to ammeter and voltmeter
• Current loop as a magnetic dipole and its magnetic dipole moment, bar magnet as an equivalent solenoid, magnetic field lines
• Magnetic field due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis, torque on a magnetic dipole in a uniform magnetic field
• Para-, dia- and ferromagnetic substances with examples, the effect of temperature on magnetic properties