Physics 3 Flashcards
1
Q
What does an open switch do?
A
Breaks the circuit
2
Q
What does a closed switch do?
A
Completes the circuit
3
Q
What does a cell do?
A
Provides energy
4
Q
What does a battery do?
A
Provides energy
5
Q
What does a diode do?
A
Allows electricity in one direction
6
Q
What does a resistor do?
A
Resists/ slows the electricity
7
Q
What does a variable resistor do?
A
Changes the flow of electricity
8
Q
What does an LED do?
A
Emits light
9
Q
What does a bulb do?
A
Lights up
10
Q
What does a fuse do?
A
Safety feature
11
Q
What does a voltmeter do?
A
Measures potential difference
12
Q
What does an ammeter do?
A
Measures current
13
Q
What does a thermistor do?
A
Changes resistance depending on temperature
14
Q
What does an LDR do?
A
Changes resistance due to light
15
Q
What are the two types of electrical circuits?
A
Series and parallel
