Resistors Flashcards
1
Q
What are the first two bands for
A
-for numbers
2
Q
What is the third band for
A
-tells you how many zeros to put on the end
3
Q
Whites the fourth band for
A
-tells you the accuracy (percentage)
4
Q
What does the red band mean
A
- most expensive and most accurate
- 2%
5
Q
What does the gold band mean
A
- resistor is less expensive and accurate
- 5%
6
Q
What does the silver band mean
A
- is the cheapest
- 10%
7
Q
What is resistance
A
-the ability of a substance to reduce the flow of electric current
8
Q
What is resistors
A
-small electric component that are used to reduce the flow of current in electrical circuits
pg125
