induced mmf method
1Inductance — Electromagnetism Electricity · …
2Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
3Alcoholics Anonymous — AA meeting sign Alcoholics Anonymous (AA) is an international mutual aid movement which says its primary purpose is to stay sober and help other alcoholics achieve sobriety. Now claiming more than 2 million members, AA was founded in 1935 by Bill …