Vocabulary
Cause something to move towards it
Attract
Particle in an atom with a negative charge
electron
Particle in an atom with a positive charge
proton
What can we use as protection in an electric circuit?
and/or
- thermal magnetic circuit breakers
How many poles does a generator have?
2 poles (one positive and one negative)
Cause something to move away from it
Repel
Particle in an atom with no charge
neutron
What are the two classifications of materials
- conductors
- insulators
What are the 5 basic elements of an electric circuit?
1. a generator
2. receptors
3. control components
4. protection
5. symbols
List 3 examples of a generator
batteries, alternators of dynamos, photovoltaic solar cells, hydrogen cells
Either of two opposite points
pole
True or false. Matter is mostly neutral so it has an electric charge.
FALSE. Neutral means it does NOT have an electric charge
Property of matter that causes it to experience a force in placed in an electric or magnetic field
Electric charge
What are the three common types of control components?
1. 2-way switch
2. 3-way switch
3. push button
What is the purpose of using symbols in electric currents?
to represent components (in electric currents)
A situation in which two parts are not equal
Imbalance
A continuous movement of electricity through a material
Electric current
When electrons move through certain materials, they create an....
electric current
What is the useful energy associated with an electric resistor?
thermal or calorific energy
What do control components do?
Direct or stop flow of the electric current
Challenge question! What is an example of a conductor material in the classroom
-
Challenge question! What is an example of an insulator material in this classroom
-
Challenge question! The light switches in this classroom are an example of what kind of control component?
2-way switch
What effect is produced from a bell receptor
produces sound