Topic 10 – Electricity and Circuits- Current and Circuit Components Flashcards
1
Q
What three subatomic components make up an atom?
A
● Electrons ● Protons ● Neutrons
2
Q
Describe the structure of an atom
A
● Neutrons and protons in the nucleus ● Electrons surrounding the nucleus in
shells
3
Q
An atom contains two types of charged particles, name both of them and state their charges.
A
● Proton (+1) ● Electron (-1)
4
Q
In a closed circuit, if there is a potential difference in the circuit there will also be a …
A
Current
5
Q
How is current defined?
A
As the rate of flow of charge (or electrons) around a circuit.
6
Q
What are the units of charge?
A
Coulombs, C.
