Topic 2 - Electricty Flashcards
1
Q
What is electric current ?
A
Flow of electrical charge
2
Q
How will electrical charge only flow ?
A
Around a complete circuit if there is a potential difference
3
Q
What will electrical only flow if there is what?
A
Potential difference
4
Q
What is the unit of current ?
A
Ampere
5
Q
What is potential difference ?
A
The driving force that pushes charge around
6
Q
What is the unit of potential difference?
A
Volts
7
Q
What is resistance?
A
Anything that slows the flow down
8
Q
What does resistance depend upon ?
A
Weather it is a series or parallel
Length of wire
