Page 3: Test Charges and Work Done

This page details calculations involving test charges and work done in electric fields between parallel plates.

Definition: Work done on a test charge between plates is calculated as W = Fd.

Highlight: Electric field strength can be calculated using potential difference and plate separation.

Example: In parallel charged plates, field lines are uniform, parallel, and perpendicular to the plates.

Page 5: Electric Potential and Equipotentials

This page explains electric potential and equipotential surfaces in electric fields.

Definition: Electric potential is the work done per unit charge to move a positive test charge from infinity to a position in an electric field.

Highlight: Work done between equipotentials equals the potential difference multiplied by charge.

Example: Closer equipotential lines indicate greater potential gradients.

Page 1: Electric Conductors and Field Patterns

This page introduces fundamental concepts of electrical conductivity and field patterns. Electric conductors, primarily metals, contain free electrons while insulators have electrons bound to atoms.

Definition: Field lines are paths that positive test charges follow in an electric field.

Highlight: Unlike gravitational forces which are only attractive, electric forces can be both attractive and repulsive.

Example: A uniform electric field pattern shows parallel field lines between oppositely charged plates.

Vocabulary: Test charge - a negligibly small positive charge used to map electric fields without disturbing them.