Adjusting the strength of an electromagnet Simulation Play

Circuits that have magnetic fields Whiteboard exercise Play

Components of a relay switch Whiteboard exercise Play

Construction of a relay switch Animation Play

Current and magnetic field Student activity Play

Devices that use electromagnets Slideshow Play

Different electromagnets Slideshow Play

Electromagnets Class activity Play

Electromagnets Student activity Play

Electromagnets Whiteboard presentation Play

Magnetic field in a coil Animation Play

Number of turns in the coil and number of paper clips picked up Whiteboard exercise Play

Operation of an electric bell Animation Play

Other uses of electromagnets Whiteboard exercise Play

Other uses of electromagnets Student activity Play

Statements about solenoids Whiteboard exercise Play

The electric bell Student activity Play

The electromagnet Animation Play

The magnetic field around a wire Animation Play

The relay switch Student activity Play

What happens when electric bell is operated Whiteboard exercise Play

Wire coils Student activity Play