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Worksheets

Sensors and Transducerss

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

Sensor is a type of transducer

a)

True

b)

False

2.

Which transducer is known as ‘self-generating transducer’?

a)

(A) Active transducer

b)

(B) Passive transducer

c)

(C) Secondary transducer

d)

(D) Analog transducer

3.

RTD stands for:

a)

Resistance Temperature Detector

b)

Resistance Time Damper

c)

Resistive Temperature Diode

d)

Resistance Temperature Damper

4.

A device that transforms one form of energy to another:

a)

Transducer

b)

Transistor

c)

Transformer

d)

Transmitter

5.

What is the application of temperature sensor?

a)

Automatic bird feeder

b)

Digital thermometer

c)

Alarm system home security

d)

Hand gesture control

6.

What is an another name of LDR

a)

Photocell

b)

Light Dependent Resolution

c)

Low Density Resistor

d)

Left Door Right Door

7.

Where might a light sensor be used?

a)

Car Lights

b)

A Green House

c)

Street Lights

8.

Where might a Humidity sensor be used?

a)

A Shop

b)

A Green House

c)

A Car

d)

A Mobile Phone

9.

Automatic doors would use a:

a)

Motion Sensor

b)

Light Sensor

c)

Temperature Sensor

d)

Moisture Sensors

10.

Define the term 'sensor'. Choose the most appropriate definition.

a)

Used to capture and can measure physical quantities

b)

A hardware device that collects data and stores it.

11.

What type of sensor would be used in this kettle?

a)

Light Sensor

b)

Temperature Sensor

c)

Infra-red sensor

d)

Pressure Sensor

12.

What type of sensor would be used in a washing machine?

a)

Light Sensor

b)

Water-level Sensor

c)

Infra-red sensor

d)

Motion Sensor

13.

What type of sensor is used in a central heating system?

a)

Temperature Sensor

b)

Water-level Sensor

c)

Infra-red sensor

d)

Motion Sensor

14.
A device that detects some important physical quality or quantity about the surrounding environment, and conveys information to the robot in electric form.
a)
Robot
b)
Sensor
c)
Color
d)
Loop
15.

In which instrument the output changes exactly with change in input

a)

Linear Instrument

b)

Non-Linear Instrument

c)

Both linear & Non-linear instrument

d)

None of the mentioned

16.

Bourdon tube measures _________

a)

Temperature

b)

Velocity

c)

Pressure

d)

Stress

17.

LVDT Stands for?

a)

Linear variable differential transducer

b)

Linear variable differential transformer

c)

Linear variation different transformer

d)

None of the options mentioned

18.

In a capacitive type pressure transducer Capacitance is

a)

inversely proportional to area

b)

directly proportional to distance between plates

c)

inversely proportional to permittivity

d)

inversely proportional to distance between plates

19.

Computer devices and smart phones have _______ with a pressure sensor.

a)

Touch screen

b)

Aviation

c)

Industrial

d)

Automotive Industry

20.

Barometer is which type of sensor?

a)

Pressure sensor

b)

Touch sensor

c)

Temperature sensor

d)

Humidity sensor

21.

Thermistor follows which law for small variations________

a)

Charlie's law

b)

KVL

c)

KCL

d)

Ohm's law