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

Rate at which work is done Whiteboard exercise Play

Rate at which work is done Student activity Play

Refrigerator Student activity Play

Refrigerator Whiteboard exercise Play

Relativity of potential energy Animation Play

Reversibility of the Carnot cycle Whiteboard exercise Play

Reversibility of the Carnot cycle Student activity Play

Reversible and irreversible processes Whiteboard exercise Play

Reversible and irreversible processes Student activity Play

Sound intensity Whiteboard exercise Play

Sound intensity Student activity Play

T-bar lift Animation Play

Tackles Student activity Play

Tackles Animation Play

The application of capacitors Student activity Play

The capacity of a battery Animation Play

The Carnot engine Animation Play

The Carnot engine Whiteboard exercise Play

The Carnot engine Student activity Play

The Carnot engine Animation Play

The Carnot engine Animation Play

The Carnot engine Animation Play

The efficiency of an electrical pump Animation Play

The efficiency of electrical devices Student activity Play