R.m.s. voltage and r.m.s. current Whiteboard exercise Play

R.m.s. voltage and r.m.s. current Student activity Play

Reaction of iron(III) chloride with potassium iodide Animation Play

Reactions of commercially available galvanic cells Slideshow Play

Rectifier Whiteboard exercise Play

Rectifier Student activity Play

Relationship B(r) Whiteboard exercise Play

Relationship between electromagnetic force and the position of the conductor Simulation Play

Relationship between electromagnetic force and the position of the conductor Whiteboard exercise Play

Relationship between electromagnetic force and the position of the conductor Student activity Play

Relationship between the electromagnetic force and the length of a conductor Whiteboard exercise Play

Relationship between the electromagnetic force and the length of a conductor Student activity Play

Relationship between the electromagnetic force and the length of a conductor Slideshow Play

Relationships between voltage and current Animation Play

Replacement resistance – connection in parallel Student activity Play

Replacement resistance – connection in series Student activity Play

Repulsion between current-carrying conductors Animation Play

Resistance Student activity Play

Resistance Glossary Play

Resistance Animation Play

Resistance Slideshow Play

Resistance of coil Simulation Play

Resistors Class activity Play

Resistors Student activity Play

Resistors Whiteboard presentation Play