Term 2 electro magnetism

Static electricity is an imbalance of electric charges within or on the surface of a material

Current is the flow of electrical charge or flow of charge carriers

Electric charge is a basic property of matter. Charge can be positive or negative.

Charge carriers are charged particles that move through a conductor or through an electrolyte

The type of electrical charge electrons have. Objects with more electrons than protons have a negative charge.

The type of electrical charge protons have. Objects with less electrons than protons have a positive charge.

A conductor is a material through which electric current is able to pass

An insulator is a material that does not allow charge to flow easily

An ammeter is an instrument used to measure the current flowing through a section of the electric circuit

Voltage is the potential difference between two points of a component in an electric circuit

The volt (V) is the unit of voltage/potential difference

A voltmeter is an instrument used to measure voltage/potential difference

Static electricity When you brush your hair or when socks stick together in the dryer Current electricity - when you switch on a lamp The flow of an electrical charge - electrons moved through a conductor carrying the electricity

Static mans STILL or NOT MOVING

Like charges repel Unlike charges attract

Substances have different conducting and insulating properties

• Like charges repel • Opposite charges attract • Charged object attracts neutral objects

Electrons are transferred to make one object negatively charged and it will attract other objects Eg if you rub a plastic ruler with a cloth the cloth leaves electrons on the ruler and the ruler has gained negative electrons so has a negative charge and will pick up neutral paper