Examples of Sensors and Transducers

Question 1

Senses the
temperature for example it gauges the change in the temperature

Answer 1

Temperature Sensor

Question 2

The adjustments in the Temperature relate to change in its physical property like resistance or voltage

Answer 2

Temperature Sensor

Question 3

Is a non-contact type
sensor that distinguishes the presence of an
article

Answer 3

Proximity Sensor

Question 4

Uses of Proximity Sensor

Answer 4

Mobile Phones,
Cars (Parking Sensors),
enterprises (object arrangement),
Ground Proximity in Aircrafts,
automated doors,
self-driving cars,
toy cars,
automation systems,

Question 5

Are sensors that measure the rate of change of speed. It measures the change in velocity per unit time

Answer 5

Accelerometer sensors

Question 6

Are attached to an object to measure the vehicle dynamics and the orientation, tilt of the object

Answer 6

Accelerometer sensors

Question 7

Is an electronic device that senses the infrared radiation in a surrounding area

Answer 7

IR or Infrared Sensor

Question 8

2 Types of Infrared sensors

Answer 8

• active
• passive

Question 9

Detects and emits radiation. It has a led which
emits the light and a receiver.

Answer 9

active IR sensor

Question 10

The IR sensors have IR _____ and _____.

Answer 10

receiver, emitter

Question 11

The _____ gives out infrared light while the
power is connected. The _____ is a
photodiode.

Answer 11

emitter, receiver

Question 12

IR sensors can be used in applications such as:

Answer 12

gesture control,
line follower robot,
multi-touch control,
wireless remote and keyboard,
agricultural applications in drone,
etc.

Question 13

Are sensors that produce an output voltage which is directly proportional to the pressure experienced by the object. These sensors are mounted on-board which are placed in the object under observation.

Answer 13

Pressure Sensors

Question 14

Is also called a photoelectric device. It converts light into voltage.

Answer 14

light sensor

Question 15

The most common light sensor

Answer 15

LDR or Light Dependent Resistor

Question 16

Is a sensor that detects and identifies different types of gasses. Most of these sensors are used to detect gas leaks, carbon monoxide, and smoke. Commonly, Metal-Oxide based gas
sensors are used.

Answer 16

smoke sensor

Question 17

Smoke sensor is also known as

Answer 17

chemiresistor

Question 18

Function similarly to tactile switches which records and detect
physical touch

Answer 18

Touch sensors

Question 19

Is a sensor that by detection of the ratio of intensity of the RGB light, the color of the object is identified. These sensors are used in true color recognition and color mark detection.

Answer 19

Color Sensor

Question 20

Measures humidity. Humidity is one of the quantities that is sensed in electronic systems.

Answer 20

Humidity Sensor

Question 21

2 Classification of humidity sensor

Answer 21

• relative and
• absolute
  humidity sensor.

Question 22

Measures humidity by comparing the reference humidity and measuring the temperature of the object then checks for the equivalent humidity in that given temperature

Answer 22

Relative humidity

Question 23

Does not use reference temperature

Answer 23

Absolute humidity

Question 24

Are devices that produce an electrical signal that varies with an angular movement. It has a rolling ball that goes to the bottom when to power of thecircuit is turned on which forms an electrical connection to the circuit.

Answer 24

Tilt sensors

Question 25

Tilt sensors are referred to as

Answer 25

inclinometers