电阻器[Resistor] - 达人(其实～我是卧底，来自外星)

2005/06/17 | 电阻器[Resistor]
类别(Ω〖物理〗) | 评论(0) | 阅读(61) | 发表于 22:05: A resistor is an electronic component that is designed to offer a desired amount of resistance to the flow of current.
Resistors have impedance
(1)

the energy stored in a resistor is
(2)

and the power dissipated by a resistor is
(3)

where I is the current and V is the voltage.

The resistance of a resistor is indicated by a series of colored circular bands around it according to the encoding summarized below.
Number Color
0 black
1 brown
2 red
3 orange
4 yellow
5 green
6 blue
7 violet
8 gray
9 white; 0