
Quiz Lampu Pijar
Quiz
•
Engineering
•
11th Grade
•
Medium
Teknika SMK
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa bahan logam yang digunakan untuk membuat filamen pada lampu pijar?
Besi
Tembaga
Wolfram
Aluminium
Perak
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapa kisaran efisiensi cahaya lampu pijar dalam lumen per watt?
5–8 lumen/watt
10–18 lumen/watt
20–25 lumen/watt
30–35 lumen/watt
40–50 lumen/watt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa bagian dalam bola lampu pijar dibuat vakum atau diisi gas inert?
Agar filamen lebih putih
Agar filamen tidak berkarat
Agar filamen tidak terbakar oleh oksigen
Agar kaca lebih bening
Agar lampu lebih ringan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gas inert yang biasa digunakan dalam lampu pijar adalah…
Oksigen dan nitrogen
Argon dan nitrogen
Karbon dioksida dan helium
Hidrogen dan oksigen
Neon dan oksigen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi jika suhu filamen lampu terlalu tinggi?
Wolfram akan menguap lebih cepat
Cahaya akan menjadi redup
Filamen menjadi lebih tebal
Gas inert berubah menjadi cair
Kaca menjadi lebih jernih
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa kaca lampu pijar bisa menjadi hitam setelah pemakaian?
Karena debu dari luar menempel
Karena wolfram menguap dan menempel di kaca
Karena gas inert berubah menjadi karbon
Karena oksigen masuk ke dalam lampu
Karena filamen berubah warna
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa perbedaan utama lampu halogen dan lampu pijar biasa?
Lampu halogen menggunakan logam lain selain wolfram
Lampu halogen menggunakan gas halogen dan suhu filamen lebih tinggi
Lampu halogen tidak memiliki filamen
Lampu halogen menggunakan baterai
Lampu halogen memiliki bentuk bulat
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