 |
 |
 |
 |
 |
 |
|
|
 |
 |
 |
 |
 |
Standard symbols
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Note: the resistor symbol was - until the 1970's - a zigzag line. A rectangular box is easier to draw with a computer, and has become standard in all modern work. |
