Internet of things using arduino
Q1. What is the primary advantage of using a passive buzzer over an active buzzer?
a) Higher sound quality
b) Lower power consumption
c) Greater sound output
d) Easier interfacing with Arduino
Q2. Which component of a buzzer sensor is responsible for converting electrical energy into mechanical vibrations?
a) Resistor
b) Capacitor
c) Piezoelectric element
d) Transistor
Q3. Which type of buzzer sensor is more commonly used in applications requiring precise control over sound characteristics?
a) Active buzzer
b) Passive buzzer
c) Magnetic buzzer
d) Piezoelectric buzzer
Q4. Which Arduino function is used to read the output from a sound sensor?
a) analogRead()
b) digitalRead()
c) pulseIn()
d) tone()
Q5. Which factor affects the sensitivity of a sound sensor?
a) Ambient temperature
b) Ambient humidity
c) Distance from the sound source
d) Frequency of the sound
