Electric field Student activity Play

Electric field lines Animation Play

Electric field lines Student activity Play

Electric field lines Simulation Play

Electric field lines Whiteboard exercise Play

Electric field lines versus electric field strength Animation Play

Equal angles imply parallel lines Student activity Play

Finding gradients of straight lines Animation Play

Finding parallel lines Whiteboard exercise Play

Finding parallel lines Whiteboard exercise Play

Finding parallel lines Whiteboard exercise Play

Flux density is a vector Animation Play

Gradient of perpendicular lines Animation Play

Gradients of parallel lines Whiteboard exercise Play

Gradients of parallel lines Animation Play

Gradients of parallel lines Student activity Play

Gradients of parallel or perpendicular lines Student activity Play

Gradients of parallel or perpendicular lines Whiteboard exercise Play

Gradients of perpendicular lines Whiteboard exercise Play

Gradients of perpendicular lines Student activity Play

Half-planes and lines Animation Play

High-voltage overhead lines Student activity Play

High-voltage overhead lines Animation Play

High-voltage overhead lines Whiteboard exercise Play

High-voltage transmission lines Illustration Play