leakage inductanceleakage powerleakage radiationleakage reactanceleakage resistanceleakege fieldleaky wave antennaleaky waveguidelearninglearning control systemlearning systemleased line private lineleast significant bitleast significant characterledleduc effectleft hand polarized wave counter colockwise polarized waveleft hand ruleleft hand rule fleming s ruleleft hand taperleft handedleft justifyleft signalleft stereo channellemmalengthlength of lifelenslens antennalenz s law law of induced currentlenzs lawleoletterlevellevel above threshold sensation levellevel adjustmentlevel controllevel converterlevel indicatorlevel of distortionlevel of safetylevel radiationlevel shittingleverlever switchleyden jarlflilibrarylidar