IOT Sensor KB 2 - 2024
Quiz
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Science
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University
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Practice Problem
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Ifik Arifin
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi utama dari sensor ultrasonik?
Mengukur suhu
Mendeteksi gerakan
Mengukur jarak
Mengukur intensitas cahaya
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara kerja sensor ultrasonik?
Mengirimkan sinyal cahaya dan mengukur waktu pantulan
Mengirimkan sinyal radio dan mengukur waktu pantulan
Mengirimkan sinyal ultrasonik dan mengukur waktu pantulan
Mengirimkan sinyal inframerah dan mengukur waktu pantulan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang Dapat Diukur oleh Sensor DHT11?
Cahaya
Suhu dan Kelembaban
Gas
Getaran
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. What does PWM stand for?
Power Width Modulation
Pulse Width Measurement
Pulse With Modulation
Pulse Width Modulation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di PWM signal, terminologi apa yang digunakan untuk menggambarkan bagian dari cycle ketika sinyal dalam kondisi "high" dibandingkan dengan cycle secara keseluruhan?
Frequency
Amplitude
Duty Cycle
Period
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Increasing the duty cycle in a PWM signal typically results in:
A higher average voltage output
A lower average voltage output
No change in the average voltage output
The signal becoming a DC signal
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mana yang BUKAN aplikasi umum dari PWM?
Controlling the brightness of LEDs
Speed control of DC motors
Signal generation for communication protocols
Measuring voltage levels
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