Mutual position of lines and interior angles in a triangle Class activity Play

Mutual position of lines and interior angles in a triangle Whiteboard presentation Play

Mutual position of two circles Whiteboard exercise Play

Mutual position of two circles Class activity Play

Mutual position of two circles Student activity Play

Mutual position of two circles Whiteboard presentation Play

Mutual position of two circles and the distance between their centres Whiteboard exercise Play

Mutual position of two circles in the coordinate system Simulation Play

Mutual position of two circles in the coordinate system Student activity Play

Mutual relation of acid dissociation constant and base dissociation constant Animation Play

Number of intersection points of two circles Whiteboard exercise Play

Phenomenon of electromagnetic induction Whiteboard presentation Play

Phenomenon of electromagnetic induction Class activity Play

The core of a transformer Student activity Play

The core of a transformer Illustration Play

The core of a transformer Whiteboard exercise Play

The direction of the induced current Animation Play

The distance between the centres of circles Student activity Play

The relationship between voltage and the number of turns in a coil Simulation Play

The relationship between voltage and the number of turns in a coil Whiteboard exercise Play

The relationship between voltage and the number of turns in a coil Student activity Play

Turns ratio Simulation Play

Turns ratio Whiteboard exercise Play

Turns ratio Student activity Play

Two circles Simulation Play