Jizzax davlat pedagogika instituti fizika va texnologik ta’lim fakulteti

Ishni bajarish tartibi:

• 
  Eksperimentni rasmda koʻrsatilganidek tayyorlang. BD 137. manfiy-musbat-manfiy tranzistorini rozetkaga ulang.
  
• 
  EV baza-emitter tutashgan joyi: Musbat qutbli ta’minotni B bazaga, manfiy qutblini esa tranzistorning E emitteriga ulang. E’tiborni oʻlchovlar diapazoniga va multimetrlar qutbligiga qarating.
  
• 
  Kuchlanishni asta-sekin 0 V boshlab oshirib boring, va tegishli U kuchlanish uchun qiymatlarni hisoblab, I tokni I = 5 mA gacha kuzatib boring. U kuchlanish 2 V dan oshmasligi kerak.
  
• 
  1-jadvalda U kuchlanish va I toki juftligini toʻldiring.
  
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  Qutblikni saqlab qolib eksperimentni takrorlang va 1-jadvalni toʻldiring.
  
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  VS baza-kollektor tutashgan joyi: Musbat qutbli ta’minotni B bazaga, manfiy qutblini esa tranzistorning S kollektoriga ulang. E’tiborni oʻlchovlar diapazoniga va multimetrlar qutbligiga qarating.
  
• 
  Eksperimentni takrorlang va natijalarni 2-jadvalga kiriting.
  
• 
  SE emitter-kollektor tutashgan joyi: Endi musbat qutbli ta’minotni S kollektorga, 100 Q rezistori ketma-ket bogʻlangan, manfiy qutblini esa tranzistorning Ye emitteriga ulang.
  
• 
  Eksperimentni takrorlang va natijalarni 3-jadvalga kiriting.
  
• 
  BD 138 musbat-manfiy-musbat tranzistori bilan eksperimetning toʻliq bosqichlarini takrorlang. Natijalarni 4, 5 va 6-jadvallarni kiriting.
  

BD 137 manfiy-musbat-manfiy tranzistori 1-jadval: Baza-emitter trassasi V baza E emitter Tok 2-jadval: Baza-kollektor trassasi V baza S kollektor Tok 3-jadval: Kollektor-emitter trassasi S kollektor E emitter Tok	BD 138 musbat-manfiy-musbat tranzistori 4-jadval: Baza-emitter trassasi V baza E emitter Tok 5-jadval: Baza-kollektor trassasi V baza S kollektor Tok 6-jadval: Kollektor-emitter trassasi S kollektor E emitter Tok
manfiy-musbat-manfiy tranzistori:	musbat-manfiy-musbat tranzistori:
Manfiy-musbat-manfiy tranzistorining bazasi musbat qutbligida boʻlsa, ikkala baza-kollektor va baza-emitter tutashgan joyi oʻtkazuvchanlik holatida boʻladi.	Musbat-manfiy-musbat tranzistorining bazasi manfiy qutbligida boʻlsa, ikkala baza-kollektor va baza-emitter tutashgan joyi oʻtkazuvchanlik holatida boʻladi

Sinov savollari:

1. 
   Troid dcb nimaga aytiladi?
   
2. 
   Troid ichidagi nuqta uchun magnitmaydon induksiyasi qanday topiladi?
   
3. 
   Gisterezis hodisasi qanday xarakterlanadi?
   
4. 
   Fenomagnitlar deb nimaga aytiladi?
   
5. 
   Ferromagnitlar deb nimaga aytiladi?
   
6. 
   Qaysi haroratda fcrromagnitlar xususiyatlarini yo'qotadilar?
   

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