Definitions Flashcards
1
Q
Battery
A
Powers the circuit
2
Q
Switch open
A
Current can’t flow
3
Q
Voltmeter
A
Measures potential difference
4
Q
Ammeter
A
Measures electric current
5
Q
Lamp
A
Turns on or not
6
Q
Fixed resistor
A
A fixed amount of current can flow through
7
Q
Variable resistor
Diagonal line
A
A resistor that can change the amount of current that can flow through
8
Q
Thermistor
Straight line then diagonal line
A
When there is a higher temperature more current can flow through
9
Q
Light dependant resistor
A
Used to switch on circuit depending on whether light is present
10
Q
Light emitting diode
A
Em it’s light
Only requires little electrIcity
11
Q
Diode
A
Only allows current to flow one way through the circuit
12
Q
Cell
A
Single battery
