25.3 Basics of Electricity/Electronics
Here, we will explain the basics of electricity and electronics.
If you need additional information, please refer to the following:
■ http://portal.hrd.go.kr/EL/contents/084/01/ch01_02.htm
■ http://cafe.daum.net/kneeng
■ http://blog.daum.net/hongbkim/2542
■ http://blog.naver.com/dhjdhj11/150184044066