Imaging Equipment and Maintenance: Basic Concepts of Electricity and Circuitry

Imaging Equipment and Maintenance Topic one: Basic Concepts of Electricity

Electric Charges

· Electric charges can be positive or negative.

· Charged particles have potential (stored) energy, meaning they can do work when they move.

· The smallest units of electric charge are: Electron - negative charge Proton - positive charge

· The fundamental SI unit of electric charge is the coulomb.

Electric Field

· An electric field is the lines of force that cause charged particles to move.

· It explains how one charge can affect another without direct contact.

· Electric fields guide the movement of electrons from one pole to another.