This is a fourteenth chapter of the book Physics 12 published by Punjab Curriculum and Textbook Board, Lahore, Pakistan.
Appreciate that a force might act on a current carrying conductor placed in a magnetic field.
Define magnetic flux density and the tesla.
Derive and use the equation $F= BI L \sin \theta $ with directions.
Understand how the force on a current carrying conductor be used to measure the magnetic flux density of a magnetic field using a current balance.
Describe and sketch flux patterns due to a long straight wire.
Define magnetic flux and the weber
Derive and use the relation $\theta = B.A $.
Understand and describe Ampere's law.
Appreciate the use of Ampere's law to find magnetic flux density inside a solenoid.
Appreciate that there acts a force on a charged particle when it moves in a uniform magnetic field and in field.
Describe the deflection of beams of charged particles moving in a uniform magnetic field.
Understand and describe method to measure $e/m.$
Know the basic principle of cathode ray and appreciate its use.
Derive the expressi0n of torque due to couple acting on a coil.
Know the principle, construction and working of a galvanometer.
Know how a galvanometer is converted into a voltmeter and an ammeter.
Describe and appreciate the use of AVO meter/multimeter.
Read through analogue scale and digital display on electrical meters.