Elektronika va sxemalar fanidan yakuniy nazorat test




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Elektronika va sxemalar fanidan yakuniy nazorat test-fayllar.org

a) *Chastotomer
b) Vattmetr
c) Ampermetr
d) Ommetr
210. Qanday xolda reaktiv qarshilik musbat bo’ladi:
a) *
b)
c)
d)
211. RLC elementlari parallel ulangan zanjirda vektor diagrammasini qurish qaysi vektordan boshlanadi:
a) *
b)
c)
d)
212. RC elementlari ketma-ket ulangan zanjirning faza burchagi farqi qanday bo’ladi:
a) *
b)
c)
d)
213. Elementlari qarama-qarshi ulangan sxemada butun zanjir qarshiligi qanday o’zgaradi:
a) *Kamayadi
b) O’zgarmaydi
c) Oshadi
d) Noma’lum
214. Quyidagi formulalarning qaysi biri o’zgaruvchan tok zanjirining reaktiv qarshiligini ifodalaydi:
a) *
b)
c)
d)
215. Qaysi quvvat Vatt da o’lchanadi:
a) *Q
b) S

c) R

d) W

216. Elektr zaryadining o’lchov birligini ko’rsating:

a) *Kl

b) G

c) A/s

d) V/m

217. Quyida keltirilgan formulalardan qaysi biri zanjir uchun Kirxgofning I-qonunini ifodalaydi:
a) *
b) U=rI

c) F=LI

d) P=UI

218. Keltirilgan kompleks miqdorlarning qaysi biri ko’rsatkichlik tarzda ifodalangan:

a) *
b)
c)
d)
219. Keltirilgan elementlarning qaysi birida elektr maydoni xosil bo’ladi:
a) *Kondensator (С) Rezistor (r)
b) Rezistor (r)
c) Induktiv g’altak (L)
d) Induktiv g’altak (L)
220. Quyidagi formulalarning qaysi biri o’zgaruvchan tok zanjirining reaktiv o’tkazuvchanligini ifodalaydi: a) *
b)
c)
d)
221. O’zgaruvchan tokning davri quyidagi belgilashlarning qaysi biri bilan ko’rsatiladi:
a) *T.

b) f

c)
d)
222. Keltirilgan elementlarning qaysi birida elektr energiyasi issiqlik energiyasiga aylanadi:
a) *Rezistor (r)
b) Kondensator (С)
c) Induktiv g’altak (L)
d) Xech birida
223. Keltirilgan kompleks miqdorlarning qaysi biri trigonometrik tarzda ifodalangan:
a) *
b)
c)
d)
224. Kompleks qarshilik Z ning algebraik tarzda yozilgan formulasini ko’rsating:
a) *Z=r+jx
b) XL=j L
c)
d)
225. Ideal e.yu.k. manbasining voltamper U(I) tavsifi ko’rinishi:
a) *Abssissa o’qiga parallel
b) Abssissa o’qiga nisbatan qiya
c) Ordinata o’qiga parallel
d) Ordinata o’qiga nisbatan qiya
226. Ideal tok manbasining voltamper U(I) tavsifi ko’rinishi:
a) *Ordinata o’qiga parallel
b) Abssissa o’qiga nisbatan qiya
c) Abssissa o’qiga parallel
d) Ordinata o’qiga nisbatan qiya
227. Real e.yu.k. manbasining voltamper U(I) tavsifi ko’rinishi:
a) *Abssissa o’qiga nisbatan qiya
b) Abssissa o’qiga parallel
c) Ordinata o’qiga parallel
d) Ordinata o’qiga nisbatan perepen-dikulyar

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