Current, the charge supplied and the time of passage of current Animation Play

DC supply Whiteboard exercise Play

DC supply Student activity Play

Derivation of the formula Animation Play

Determination of reaction rate by mass, conductometric and colorimetric measurements Student activity Play

Different bulbs Illustration Play

Digital encoding of sound Student activity Play

Diode testing Student activity Play

Diode testing Animation Play

Diode testing Simulation Play

Diode testing Whiteboard exercise Play

Direct current circuit Whiteboard presentation Play

Direct current circuit Class activity Play

Direct current meters Slideshow Play

Direct current transmission lines Student activity Play

Direct current transmission lines Animation Play

Direct current transmission lines Whiteboard exercise Play

Direct electric current Student activity Play

Direct electric current Whiteboard exercise Play

Discharging a battery. Accumulators. Student activity Play

Discharging a battery. Accumulators. Whiteboard exercise Play

Distilled water Illustration Play

Does chemically pure water conduct an electric current? Student activity Play

Does chemically pure water conduct an electric current? Simulation Play

Domestic circuits Simulation Play