Electricity and Circuit Flashcards
1
Q
What component is this: Ⓥ
What is it’s function?
A
Voltmeter
- Measures potential difference
2
Q
what component is this: Ⓐ
What is it’s function?
A
Ammeter
- Measures current
3
Q
What is a Series circuit?
A
A circuit with one loop
4
Q
What is a Parrallel circuit?
A
A circuit with two or more loops
5
Q
What wire is the brown wire and what does it do?
A
Live wire
Carries potential difference from main supply. (230V)
6
Q
What wire is the blue wire and what does it do?
A
Neutral wire
Completes the circuit. (0V)
7
Q
What wire is the Green and Yellow wire and what does it do?
A
Earth wire
Only carries current if there is a fault. (0V)
8
Q
What effect does temperature does have on resistance?
A
As temperature increases resistance increases.
