
ledd
Authored by Muhammad Ikhsan
Science
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa singkatan dari LED?
Light Electric Device
Light Emitting Diode
Linear Emitting Device
Light Energy Distribution
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang menyebabkan LED menghasilkan cahaya?
Aliran panas
Aliran elektron di dalam bahan semikonduktor
Reaksi kimia
Pantulan sinar matahari
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
LED memiliki keunggulan dibandingkan lampu pijar karena:
Konsumsi daya yang lebih tinggi
Konsumsi daya yang lebih tinggi
Efisiensi energi yang lebih tinggi
Menghasilkan lebih banyak panas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bahan utama yang digunakan dalam pembuatan LED adalah:
Plastik
Logam
Kaca
Semikonduktor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa warna cahaya yang dihasilkan oleh LED bergantung pada?
Tegangan yang digunakan
Material semikonduktor yang digunakan
Bentuk fisik LED
Ukuran LED
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa kelebihan utama LED dibandingkan lampu pijar?
LED lebih mahal dan mudah rusak
LED lebih hemat energi dan tahan lama
LED menghasilkan panas lebih banyak
LED hanya bisa digunakan di luar ruangan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi resistor yang sering dipasang bersama LED dalam rangkaian?
Meningkatkan tegangan LED
Mengubah warna cahaya LED
Melindungi LED dari arus yang terlalu besar
Mengurangi umur LED
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