Year8-Circuits And Currents Flashcards
1
Q
What is a current
A
Particles and charges move in the metal.
The amount of charge flowing per second
2
Q
How do you measure current?
A
Using an ammeter
3
Q
What is the measurement and symbol of current?
A
Amps, A
4
Q
Does a battery or cell produce electrons?
A
No, they push charges around the cicuit
5
Q
Where so the electrons come from?
A
They are already in the wire
6
Q
How do you draw a circuit?
A
Using symbols for lamps, battery etc.
7
Q
What is needed for a circuit to work?
A
A closed circuit, cell