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Diod va bipolyar tranzistorlar sinash bo‘yicha nazorat savollari

Authored by Elektr texnologiyalari

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Diod va bipolyar tranzistorlar sinash bo‘yicha nazorat savollari
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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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