
El-julquiz
Authored by Hanna Johnson
Education
9th - 12th Grade
Used 2+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hur mycket energi (i watt) förbrukar en genomsnittlig LED-julgransslinga på 100 lampor under 10 timmar?
10 watt
100 watt
1000 watt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vem uppfann glödlampan?
Nikola Tesla
Thomas Edison
Alexander Graham Bell
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vilken jultradition skulle ha störst elektrisk resistans?
Ett isskulpturevent utomhus
Att belysa en gran täckt av regnvatten
Att sätta LED-lampor på en plastgran
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Om tomten hade en eldriven släde, vad skulle behövas för att ladda upp den under en natt?
En kraftstation dedikerad för slädens batteri
Solpaneler installerade på Nordpolen
Ladda med vindkraft när han kör
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vilken av följande elektriska enheter används i moderna julbelysningar för att spara energi?
Transformatorer
LED-dioder
Resistorer
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hur mycket mindre energi förbrukar LED-lampor jämfört med traditionella glödlampor?
10 gånger mindre
50 gånger mindre
80 gånger mindre
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vad skulle vara det bästa elektriska systemet för att automatisera tomtens produktion av julklappar?
Ett pneumatiskt system som kombineras med PLC-styrning
En mekanisk motor driven av kol
Handdrivna maskiner som stöds av ett batteripaket
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