Unit 1 Simple Circuits Flashcards
What is a source?
A source is where a thing comes from or starts
What is a device ?
A device is something which changes one type of energy into a different type of energy
What is a system made up of?
A system is made up of many parts
What do these parts do?
These parts work together to perform a special function, such as a kettle heating water
What is the role of a circuit?
The role of a circuit is to send electricity from the source to the device
What are the three things that an electrical system has?
An input source, a device and an output source
Will a system work without these three stages ?
No it will not work because the device needs all the materials to work
Name me the three components of a simple circuit
A source of energy, a conducting material and a device
Name me some examples of a source of electricity?
Mains electricity or a cell or a battery
What is the wire that most people use for a conductor ?
This is copper wire
What are the four types of output energy?
Heat, light,sound and movement
Give me four examples?
Kettle-heat, motor-movement, light bulb-light and a buzzer-sound
Name me a object that can break the flow of electricity in a circuit?
A switch
What do electricians use to show electrical circuits?
They use diagrams
What do they use instead of drawing a cell or bulb?
They use symbols
