P2.1 Flashcards
1
Q
What is a static shock.?
A
When an electrostatic charge builds up on insulating materials
2
Q
What is earthing ?
A
Electrons move from you to the earth through an object or the other way around. You no longer have a charge
3
Q
What is a direct current?
A
A current that only flows one direction
4
Q
What is an alternating current?
A
A current that changes direction many people times a second
5
Q
Where can an ammetre be placed in a series circuit?
A
Anywhere
6
Q
What does an ammetre do?
A
Measures the size of a current
7
Q
What does a voltmeter do?
A
Measures potential difference
8
Q
Where is a voltmeter placed in a circuit?
A
In parallel with the component
