Electricity Flashcards
1
Q
what is an insulator
A
substance which does not allow the passage of heat or sound
2
Q
what is a conductor
A
it allows heat and electricity to pass through
3
Q
draw an electic circuit: a battery, a switch and 2 lights in series
A
draw
4
Q
draw an electric circuit: a battery, a switch and 2 lights in parallel
A
draw
5
Q
How does a switch stop the flow of electricity?
A
because there is no contact through the metal and electricity wont pass through air
6
Q
what does an ammeter measure
A
the electrical current in a circuit
7
Q
what does a voltmeter measure
A
the potential difference between 2 circuits
