
Postest energi listrik dan daya listrik
Authored by vyola 김
Others
9th Grade
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Besarnya energi listrik persatuan waktu disebut ….
a.tegangan listrik
b. gaya gerak listrik
c. daya listrik
d. tegangan jepit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Sebuah seterika listrik dipasang pada tegangan 125 volt dan kuat arus 2 ampere. Energi yang diperlukan selama 30 menit sebesar ….
A. 85 joule
B. 500 joule
C. 7.500 joule
D. 450.000 joule
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Di dalam sebuah rumah terdapat 5 lampu masing-masing 20 watt menyala selama 10 jam perhari, sebuah TV 60 watt menyala 8 jam per hari, dan sebuah seterika 250 watt digunakan 4 jam per hari. Besar energi listrik yang digunakan selama satu bulan (30 hari) adalah ….
a. 5,04 k Wh
b. 7,44 k Wh
c. 50,4 k Wh
d. 74,4 k Wh
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Pada sebuah rumah terdapat 5 lampu masing- masing 10 watt menyala selama 5 jam sehari, dan TV 50 watt menyala 5 jam sehari. Harga tiap kWh Rp 100,00. Biaya yang harus dibayar satu bulan (30 hari) adalah …
A. Rp 1.500,00
B. Rp 2.100,00
C. Rp 3.100,00
D. Rp 7.500,00
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Salah satu cara upaya penghematan energi listrik adalah...
A. menggunakan oven listrik untuk memanaskan makanan
B. menggunakan lampu bohlam dengan daya yang besar agar terang
C. seluruh instalasi listrik di rumah menggunakan rangkaian paralel
D. membiarkan kabel terhubung dengan stop kontak meskipun tidak menggunakan peralatan listrik
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