UH I PRE (KD 3.15-3.17)
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Other
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12th Grade
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April Liana
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektronika daya adalah...
cabang ilmu elektronika yang membahas pensakelaran, pengontrolan dan konversi blok-blok dari daya listrik menggunakan bahan semikonduktor
cabang ilmu elektronika yang membahas komunikasi jarak jauh
cabang ilmu elektronika yang membahas sistem audio
cabang ilmu elektronika yang membahas sistem instalasi audio video
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut terdapat beberapa komponen :
1. Dioda zener
2. Dioda rectifier
3. Silicon Control Rectifier
4. Trioda Alternating Current
5. Diode Alternating Current
Yang termasuk komponen thyristor adalah :
1,2,3
1,2,5
3,4,5
1,2,4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut ini manakah simbol komponen SCR...
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simbol berikut merupakan simbol dari komponen thyristor, yaitu....
Silicon Controlled Switch (SCS)
Silicon Controlled Rectifier (SCR)
Triode Alternating Current (TRIAC)
Diode Alternating Current (DIAC)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan gambar skema rangkaian SCR dan kondisi rangkaian, berikut :
1. Sumber tegangan sudah di-ON-kan, namun LED (load) tidak menyala
2. Ketika hanya push button S2 ditekan terlebih dahulu, LED menyala, tapi hanya saat push button S2 ditekan.
3. Kemudian, jika hanya push button S1 ditekan, LED menyala terus, walaupun push button S1 tidak ditekan lagi.
Hal ini dapat disimpulkan bahwa prinsip kerja SCR, yaitu...
Ketika kaki Anoda pada SCR mengalir arus untuk sesaat (diberi trigger), maka SCR akan aktif terus.
Ketika kaki Gate pada SCR mengalir arus untuk sesaat (diberi trigger), maka SCR akan aktif terus.
Ketika kaki anoda dan katoda pada SCR mengalir arus untuk sesaat (diberi trigger), maka SCR akan aktif terus.
Ketika kaki gate pada SCR mengalir arus untuk sesaat (diberi trigger), maka SCR tidak akan aktif.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi rangkaian dimmer lampu adalah...
rangkaian pengatur intensitas cahaya lampu
rangkaian pengatur lamanya nyala lampu
rangkaian pengatur ON dan OFF lampu
rangkaian pengatur kapasitansi lampu
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan skema rangkaian dimmer berikut! Identifikasilah komponen-komponenya. Manakah komponen yang tepat sesuai petunjuk pada nomor...
1 : potensiometer
2 : Resistor
3 : TRIAC
4 : DIAC
5 : Kapasitor non polar
1 : potensiometer
2 : Resistor
3 : DIAC
4 : TRIAC
5 : Kapasitor elco
1 : potensiometer
2 : Resistor
3 : DIAC
4 : TRIAC
5 : Kapasitor polar
1 : potensiometer
2 : Resistor
3 : DIAC
4 : TRIAC
5 : Kapasitor non polar
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