
POSTTEST PWM
Quiz
•
Computers
•
University
•
Practice Problem
•
Medium
Ricy Firnando
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bagaimana PWM mempengaruhi kecepatan motor DC?
Answer explanation
PWM mengontrol kecepatan motor dengan mengatur duty cycle.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jika frekuensi PWM terlalu rendah, apa yang dapat terjadi pada motor?
Answer explanation
Frekuensi yang terlalu rendah dapat menyebabkan motor bergetar atau tidak stabil.
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apa yang mempengaruhi kecerahan LED saat menggunakan PWM?
Answer explanation
Duty cycle menentukan berapa lama LED menyala dalam satu siklus.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dalam simulasi ini, bagaimana visualisasi PWM ditampilkan?
Answer explanation
PWM divisualisasikan sebagai gelombang persegi di osiloskop.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Mengapa PWM lebih efisien dibandingkan dengan metode pengaturan tegangan linier?
Answer explanation
PWM lebih efisien karena mengurangi disipasi daya dalam bentuk panas.
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jika duty cycle PWM disetel ke 100%, bagaimana kondisi LED dan motor?
Answer explanation
Duty cycle 100% berarti daya selalu aktif, sehingga LED dan motor bekerja maksimal.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apa efek dari peningkatan frekuensi PWM yang sangat tinggi?
Answer explanation
Frekuensi tinggi dapat mengurangi getaran dan membuat operasi lebih halus.
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