Tangent to a parabola Student activity Play

Tangent to a parabola parallel to the given line Whiteboard exercise Play

Testing current in a parallel circuit Illustration Play

The angle between the conductor and the field lines Student activity Play

The area of a triangle Animation Play

The connection of capacitors in parallel Student activity Play

The connection of capacitors in parallel Whiteboard exercise Play

The connection of capacitors in parallel Animation Play

The connection of capacitors in series Student activity Play

The connection of capacitors in series Whiteboard exercise Play

The defects of lenses Student activity Play

The equation of a tangent to a circle Whiteboard exercise Play

The equation of a tangent to a circle Student activity Play

The gradient of a line Whiteboard exercise Play

The gradient of a line Student activity Play

The magnetic field around current-carrying wires Class activity Play

The magnetic field around current-carrying wires Whiteboard presentation Play

The mutuality of interactions Whiteboard exercise Play

The mutuality of interactions Student activity Play

The mutuality of interactions Animation Play

The mutuality of interactions Whiteboard exercise Play

The pairs of parallel faces in the cube Whiteboard exercise Play

The properties of a connection in parallel Student activity Play

The properties of a connection in parallel Whiteboard exercise Play

The scalar product (1) Class activity Play