
9.c energeetika
Quiz
•
Physics
•
9th Grade
•
Medium
Airi Ruus
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida tähendab elektrivoolu allikas?
Seade, mis edastab elektrilaengut.
Seade, mis toodab elektrivoolu
Seade, mis takistab elektrivoolu liikumist.
Seade, mis mõõdab voolutugevust.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis juhtub, kui elektriahel on katkestatud?
Elektrivool liigub edasi.
Elektrivool peatub.
Muutub tugevamaks
Tekib uuesti.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mitmendatel aastatel jõudsid elektriuuringud nii kaugele, et hakati looma elektrijaamu?
1980
1890
1880
1990
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mille lähedal olid elektrijaamad alguses?
Tööstus ettevõtete
Tehaste
Hüdroelektrijaama
Linnade
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on põhjuseks, et elektrienergiat ei saa suures mahus ette valmistada ja lattu panna/laos hoida?
Elektrienergiat saab salvestada ainult soojuselektrijaamades.
Elektrienergiat tuleb pidevalt toota vastavalt tarbimisele, kuna seda ei saa ladustada.
Elektrienergiat saab salvestada vaid akudesse, kui mitte teistesse vormidesse.
Elektrienergia salvestamine on liiga kallis ja ebaefektiivne.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis salvestab elektrienergiat akudes?
Keemilised reaktsioonid
Mehaaniline liikumine
Füüsikaline surve
Soojusenergia
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida on vaja teha laengu ülekandmiseks mööda juhtmeid?
Mitte midagi, laeng liigub iseenesest
Tuleb teha tööd ehk kulutada energiat
Juhtmeid tuleb jahutada absoluutse nullini
Tuleb suurendada laengukandjate arvu juhtmes
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