
Diod va bipolyar tranzistorlar sinash bo‘yicha nazorat savollari
Authored by Elektr texnologiyalari
Science
University
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tog‘rilovchi diod nima va uning vazifasi nimadan iborat?
Bir yo‘nalishda tok o‘tkazib, AC ni DC ga aylantirishda qo‘llaniladigan p–n o‘tishli yarim o‘tkazgich diod
Signalni kuchaytiruvchi aktiv element (transistor)
Energiya saqlovchi passiv element (kondensator)
Faqat teskari yo‘nalishda tok o‘tkazuvchi rezistor
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diodning anod va katodini qanday aniqlash mumkin?
Korpusdagi halqa yoki chiziq bilan belgilangan uchi katod, qarama-qarshi uchi anod
Korpusdagi halqa anod, qarama-qarshi uchi katod
Har doim qisqa oyoq anod, uzun oyoq katod
Rangi bo‘yicha: qora anod, qizil katod
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Multimetr yordamida diodning sog‘lomligini qanday aniqlaysiz? Kerakli barcha javoblarni tanlang.
Multimetrni diode test rejimiga qo‘yib, qizil probni anodga va qorani katodga ulanganda 0.5–0.8 V atrofida kuchlanish tushuvi ko‘rinadi
Problarni ulanganda hech qanday o‘tish ko‘rinmaydi (cheksiz/ochiq zanjir)
Har ikki tomonda ham 0 V ko‘rinsa diod sog‘lom hisoblanadi
Faqat vizual ko‘rik yetarli, o‘lchov shart emas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diodning to‘g‘ri va teskari yo‘nalishlarda qarshilik qanday bo‘ladi?
To‘g‘ri yo‘nalishda kichik, teskari yo‘nalishda juda katta (deyarli cheksiz)
To‘g‘ri yo‘nalishda katta, teskari yo‘nalishda kichik
Har ikki yo‘nalishda teng
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diodning asosiy ishlash prinsipi nimaga asoslanadi?
p–n o‘tishda hosil bo‘ladigan potensial to‘siq va bir yo‘nalishli o‘tkazuvchanlikka
Elektromagnit induksiya hodisasiga
Issiqlik kengayishiga
Fotoeffektga
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diodning kuchlanish va tok o‘tkazish qobiliyati qanday o‘zgaradi?
Kuchlanish oshganda tok o‘tkazish qobiliyati kamayadi
Kuchlanish va tok o‘tkazish qobiliyati o‘zgarmaydi
Kuchlanish oshganda tok o‘tkazish qobiliyati oshadi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diodning ishlashida qanday materiallar qo‘llaniladi?
Yarim o‘tkazgich materiallar
Izolyatsion materiallar
Metall va keramika
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