통신보안항공무선통신사 · 2011년09월25일 · 51/70
51.밑줄 친 부분에 알맞은 것은?

1
Reverse current
2
Alternating current정답
3
Direct current
4
Electric current
해설
2. Alternating current 교류 1. reverse current 역전류 3. Direct current 직류 4. Electric current 전류

2. Alternating current 교류 1. reverse current 역전류 3. Direct current 직류 4. Electric current 전류