1. Kakakin jawabin Magnetic yana da lantarki tare da baƙin ƙarfe na Mota tsakanin abubuwan hawa biyu na magnet dindindin. Lokacin da babu na yanzu a cikin coil na lantarki, baƙin ƙarfe baƙin ƙarfe yana jawo hankalin ta hanyar matakin biyun na magnet na dindindin kuma ya kasance mai tsayi a tsakiyar; Lokacin da yanzu yana gudana ta hanyar coil, baƙin ƙarfe Core ya zama magnet kuma ya zama mashaya magnet. Tare da canjin shugabanci na yanzu, polarity na mashaya magnet kuma yana canzawa a daidai, don haka coar baƙin ƙarfe baƙin ƙarfe.

2. Kakakin murya mai magana ne wanda yake amfani da rundunar lantarki wanda ya kara wa farantin lantarki a farantin mai capacitor. Dangane da tsarinsa, ana kiranta mai magana da capacitori saboda ingantattun wutar lantarki da mara kyau suna gaban juna. Ana amfani da kayan wuya biyu da wuya azaman kayan faranti, wanda zai iya watsa sauti ta hanyar faranti, da farantin tsakiya kamar diphrags na bakin ciki (kamar farantin na diaphrams). Gyara da ɗaura kusa da diaphragm kuma ci gaba da nisa daga madaidaicin pole. Ko da a kan babban diaphragmm, ba zai yi karo da ƙayyadadden sanda ba.
3. Piezeetelectric Masu magana da yawun da ke amfani da sakamako na Cinverseclecleclectric sakamakon kayan kayan cinikin Piezoelectracs Phenenon cewa security cewa secelricc, potassium sodiumar karar da sauran lu'ulu'u) yana da damar banbancin matsi, wanda ake kira da lokacin "Piezoelectric tasiri. Tasirin sa, wato, raunin na roba da aka sanya a filin lantarki, ko kuma "wayoyin Pidezitection".