Electromagnetism

In form 3, we learned that a magnet can attract certain type of metal. the metals that can be attracted by a magnet are called the “magnetic materials” of “ferromagnetic materials”. Examples of magnetic materials are iron, steel, nickel and cobalt. a magnet has 2 poles-the North Pole and the South Pole. there is a … Read more

Introduction to Magnetism (Revision) Electromagnet Electric Bell Electromagnetic Relay Circuit Breaker Telephone Earpiece Straight Wire (Video 1) Flat Coil Solenoid Apllications of Electromagnet Force on a Current Carrying Conductor Moving Coil Meter Direct Current Motor Loud Speaker Turning Effect of a Current-Carrying Coil in a Magnetic Field Force between 2 Current Carrying Conductor Electromagnetic Induction DC … Read more