Electricity. Flashcards
1
Q
What is electric current?
A
The flow of electrical charge.
2
Q
When will electrical charge flow?
A
Only around a complete circuit if there is a potential difference so a current can only flow if there’s a source of potential difference.
3
Q
What is the unit of current?
A
Ampere (A)
4
Q
In a single closed loop what is the current like?
A
The current has the same value of crusher in the circuit.
5
Q
What is potential difference?
A
Is the driving force that pushes the charge around.
6
Q
What is the unit for volt?
A
V
7
Q
What is the resistance?
A
Anything that slows the force down.
8
Q
What is the unit for resistance?
A
Ohm and the sign you know what this is.
