TYPES OF SENSORS

Question 1

LIGHT

Answer 1

PHOTODIODE

Question 2

pH LEVEL

Answer 2

ARDUINO-BASED pH SENSOR

Question 3

HUMIDITY

Answer 3

DIGITAL HUMIDITY AND TEMPERATURE (DHT11/DHT22)

Question 4

PRESSURE

Answer 4

BAROMETRIC PRESSURE (BMP180/BMP280)

Question 5

TEMPERATURE

Answer 5

THERMISTOR (NTC/PTC)

Question 6

WHAT DOES NTC STAND FOR

Answer 6

NEGATIVE TEMPERATURE COEFFICIENT

Question 7

WHAT DOES PTC STAND FOR

Answer 7

POSITIVE TEMPERATURE COEFFICIENT

Question 8

WHAT IS THE FUNCTION OF THE THERMISTOR NEGATIVE TEMPERATURE COEFFICIENT?

Answer 8

1) MORE CURRENT FLOW
2) LESS ELECTRICAL RESISTANCE
3) MORE/HIGHER TEMPERATURE

Question 9

WHAT IS THE FUNCTION OF THE THERMISTOR POSITIVE TEMPERATURE COEFFICIENT?

Answer 9

1) REGULATECURRENT FLOW
2) MORE ELECTRICAL RESISTANCE
3) LESS/LOWER TEMPERATURE

Question 10

GAS CONCENTRATION

Answer 10

MO (metal oxide?) SERIES

Question 11

WHAT ARE THE 3 TYPES OF MO SERIES

Answer 11

MO-2, MO-3, MO-7

Question 12

MO-2

Answer 12

METHANE (CH4)

Question 13

MO-3

Answer 13

CARBON DIOXIDE (CO2)

Question 14

MO-7

Answer 14

CARBON MONOXIDE (CO)

Question 15

FORMULA FOR SOUNDWAVE OF MBOT

Answer 15

(S*T)/2

Question 16

___ MODEL OF THE SENSOR THE BETTER THE ___

Answer 16

HIGHER, QUALITY

Question 16

VELOCITY

Answer 16

ACCELEROMETER

Question 17

MAGNETIC FIELD

Answer 17

HALL EFFECT SENSOR

Question 18

THE HALL EFFECT SENSOR CAN ALSO MEASURE ___

Answer 18

POLARITY

Question 19

DISTANCE

Answer 19

ULTRASONIC SENSOR

Question 20

What are the two types of polarity?

Answer 20

hydrophilic & hydrophobic

Question 21

attracted to water (polarity)

Answer 21

hydrophilic

Question 22

repellant to water (polarity)

Answer 22

hydrophobic