
Električni Strujni Krug
Quiz
•
Science
•
9th Grade
•
Medium
Antonio Milde
Used 2+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Objasni razliku između fizičkog strujnog kruga i električne sheme koristeći primjere sa slike.
Fizički strujni krug prikazuje stvarne komponente, dok električna shema prikazuje simbole tih komponenti.
Fizički strujni krug prikazuje simbole, a električna shema prikazuje stvarne komponente.
Oba prikazuju samo simbole.
Oba prikazuju samo stvarne komponente.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja je razlika između idealne i stvarne (realne) sklopke?
Idealna sklopka ima mali otpor u zatvorenom položaju, stvarna nema otpor
Idealna sklopka se zatvara i otvara trenutno, stvarna ima prijelazni otpor i potrebno je neko vrijeme za otvaranje i zatvaranje
Stvarna sklopka ima beskonačan otpor u zatvorenom položaju, idealna ima mali otpor
Idealna sklopka uvijek ostaje otvorena, stvarna uvijek zatvorena
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zašto se u električnoj shemi sav otpor prikazuje koncentriran u elementu R?
Zbog pojednostavljenja analize električnog kruga.
Zato što vodiči nemaju nikakav otpor.
Da bi se prikazala boja vodiča.
Da bi se prikazala snaga izvora.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što je primjer aktivne komponente strujnog kruga?
Izvor (idealni ili realni)
Otporik
Zavojnica
Kondenzator
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Što označava pojam "prazni hod" u električnim krugovima?
Stanje između dvije točke kada je otpor između njih beskonačno velik
Stanje između dvije točke kada je otpor između njih jednak nuli
Stanje kada je sklopka zatvorena
Stanje kada je struja maksimalna
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako na shemi vidite simbol „+”, što on označava?
pozitivni polaritet
masa
spojni vodič
izmjenična struja
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tko je znanstvenik po kojem je nazvan Ohmov zakon?
Georg Simon Ohm
Isaac Newton
Nikola Tesla
Michael Faraday
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