P2 - Electricity Flashcards
1
Q
The flow of electrical charge
A
Current
2
Q
What’s current measured in ?
A
Amperes (placed in a series)
3
Q
Voltmeter measures
A
Potential difference (placed in parallel)
4
Q
Series circuit
A
If one component disconnects, all stops working. PD of all cells add up
5
Q
Parallel curcuit
A
If one component disconnects, it has not effect. PD is same across all components
6
Q
Cables have three wires
A
Live (brown), neutral (blue) and earth (green and yellow)
7
Q
Potential difference
A
Energy transferre per charge passed