Electrotehnica-SEM_OEM2
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Electrotehnica-SEM_OEM2
3 questions
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“ANR — OEM2-RO-circuite electronice(B) — Electrotehnica-SEM_OEM2” contains 3 questions across 1 collection.
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Figura25 prezinta un stabilizator cu dioda Zener imbunatatit. Cea de a doua celula de stabilizare are rolul de a
The source image is unavailable.One correct answer
Figura26 prezinta un stabilizator cu dioda Zener imbunatatit. Tranzistorul T are rolul de a
The source image is unavailable.One correct answer
in practica, sunt tranzistoarele din amplificatoarele in contratimp clasa B au jonctiunea baza - emitor prepolarizata direct astfel ca prin fiecare tranzistor sa circule un mic curent de repaus. Despre aceste amplificatoare se spune ca lucreaza in clasa AB. Prin aceasta se urmareste:
One correct answer
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