P2 - Static Electricity Flashcards
1
Q
What happens when insulating materials are rubbed together?
A
Electrons are transferred from one to the other.
2
Q
What happens to a polythene rod when you rub it with a duster?
A
Electrons move from the duster to the rod.
3
Q
What happens to an acetate rod when you rub it with a duster?
A
Electrons move from the rod to the duster.
4
Q
If an object becomes positively charged, what has happened?
A
It’s lost electrons.
5
Q
What happens when two electrically charged objects are brought close together?
A
They exert a force on each other.
6
Q
What is a build-up of static electricity caused by?
A
Friction.
