rlcnf.net
변압기의 규격 효율은?
$\dfrac{출력}{입력}\times100$[%] $\dfrac{출력}{출력+손실}\times100$[%] $\dfrac{출력}{입력-손실}\times100$[%] $\dfrac{입력+손실}{입력}\times100$[%]
기출넷
