Tu știi care este rolul acelui cilindru care se găsește la capetele unor încărcătoare?


Multe dintre încărcătoarele folosite în prezent au cilindrii la capete. Aceștia se întâlnesc atât pe încărcătoare de laptopuri, cât și pe unele încărcătoare de telefoane și cabluri pentru tastaturi.
Interiorul cilindrilor este fabricat din ferită și are rolul de a elimina pierderile de energie, contribuind astfel la o încărcare sau un transfer de energie mult mai eficient. La Interesting Engineering, atunci când curentul trece prin fir, o cantitate foarte mare de energie poate fi pierdută din cauza interferențelor electromagnetice.
Cilindrii se găsesc de obicei la capetele cablurilor, ferita din interiorul acestora absoarbe zgomotul electromagnetic de frecvențe înalte. Exteriorul fabricat din plastic, însă, dacă ați deschide componentele, ați găsi două jumătăți de cilindru, fabricate din ferită. Printre altele, acestea ar avea și rolul de a opri interferențele cu alte semnale.
Sursa:playtech.ro
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