Resistors Flashcards
1
Q
What do resistors do?
A
Restrict/Limit flow of current in a circuit
2
Q
What is resistance measured in?
A
Ohms ♎
3
Q
What do Fixed resistors do?
A
- Protect componants
- Divide voltage between different parts of the circuit
- Controlling a time delay
4
Q
What is a Variable resistor?
A
Alternate continually e.g volume control
5
Q
What is a Thermistor?
A
It changes resistance as temp changes
6
Q
What is an LDR
A
Light Dependant Resistors
Change resistance as light changes
