The magnetic field around a conductor Student activity Play

The missing degree measures Whiteboard exercise Play

The missing measures of angles Whiteboard exercise Play

The National Grid system Whiteboard exercise Play

The National Grid system Illustration Play

The National Grid system Student activity Play

The National Grid system Animation Play

The origin of spectral lines Animation Play

The pairs of parallel faces in the cube Whiteboard exercise Play

The path of a charge moving perpendicular to the filed lines Animation 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) Whiteboard presentation Play

The scalar product (1) Class activity Play

The scalar product (2) Whiteboard presentation Play

The scalar product of parallel and perpendicular vectors Student activity Play

The scalar product of parallel and perpendicular vectors Whiteboard exercise Play

The shape of the field lines Animation Play

The shape of the magnetic field Animation Play

The spectral lines in the atomic spectrum of hydrogen Animation Play

The strength of electric field between two parallel plates Animation Play

The sum of the angles in the triangle Animation Play

The tangents to the circle that are parallel to the line Animation Play

The velocity of a charge moving along the filed lines Animation Play

Total current Animation Play