Resistor Types Flashcards
1
Q
The bigger the resistor , the more what?
A
Current it can handle without burning out
2
Q
What are the types of resistors ?
A
Carbon composite
Carbon film
Wire wound
3
Q
What is a carbon composite
A
Bound together with a resin, cheapest and not stable at high temperatures
3 watts max
4
Q
What is a carbon film resistor
A
Deposited into a ceramic rod , and the resistance is obtained by cutting a spiral track
5
Q
What is a wire wound resistor ?
A
Wire element , wound on a ceramic former coated with vitreous enamel
6
Q
Fixed resistors can have their resistance value printed on them in three ways….
A
Body-tip-spot
Coloured bands
Alpha numeric
7
Q
What are the types of variable resistors ?
A
Carbon track
Slider potentiometers
Preset trimmer
