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Tinkercad Electronics

Total questions: 120

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Electrons are present in _____ whereas protons are present in _____

a)

Nucleus Outermost shell

b)

Outermost Shell Nucleus

c)

Atom

Nucleus

d)

None of them

2.

What is Tinkercad Circuits?

a)

Its a software for playing and create games.

b)

It is a free online collection of software tools that help people all over the world think, create and make.

c)

Software to create games

3.

Potential Difference between two points/terminals is termed as _____

a)

Current

b)

Capacitance

c)

Voltage

d)

Electric Force

4.

How to measure voltage , current and resistance in tinkercad.

a)

Potentiometer

b)

Voltmeter

c)

Multimeter

d)

Ammeter

5.

Maximum current required for LED to glow...

a)

10.0mA

b)

20.0mA

c)

61.9mA

d)

200mA

6.

A device that converts chemical energy into electrical energy

a)

Resister

b)

Battery

c)

Capacitor

d)

Motor

7.

The current in a circuit equals the voltage difference divided by the resistance

(a)  

8.

A small semiconductor chip on which millions of electronic components such as resistors, capacitors and transistors are fabricated.

a)

Integrated Chip (IC)

b)

Capacitor

c)

Microcontroller

9.

The 4 main components of Tinkercad interface?

(a)  

10.

The SI Unit for resistor is_____

a)

Volt

b)

Ohm

c)

Ampere

11.

An electric component that fixed voltage output

a)

Relay Switch

b)

Regulator

c)

Voltmeter

d)

Multimeter

12.

Combination of matrix like structure , make connections between components easier.

a)

Breadboard

b)

Arduino

c)

Circuit board

13.

Arduino consists of

a)

Integrated Circuit

b)

Microcontroller

c)

Integrated Developement Environment

d)

A & B

e)

B & C

14.

Arduino boards are not able to read analog or digital input signals from different sensors

a)

True

b)

False

15.

Arduino IDE uses a simplified version of which programming language, that makes it easier to learn to program.

a)

Python Programming

Language

b)

C Programming

Language

c)

C++ Programming Language

d)

Java

Programming Language

16.

Arduino boards can be powered directly from the AC mains power supply by connecting it to

a)

Battery

b)

Barrel Jack

c)

Power USB

17.

It is sometimes, used to set an external reference voltage (between 0 and 5 Volts) as the upper limit for the analog input pins.

a)

Battery

b)

PWM

c)

AREF

d)

ICSP pin

18.

These pins can read the signal from an analog sensor like the humidity sensor or temperature sensor and convert it into a digital value that can be read by the microprocessor.

a)

Digital Pins

b)

Power Pins

c)

Analog Pins

d)

Vin Pin

19.

 

How many types of arduinos do we have in tinkercad?

a)

5

b)

6

c)

8

d)

7

20.

Arduino can interact with...

a)

Sartphones

b)

LED's

c)

Sensor

d)

All of the above

21.

Why use Breadboard because_____

a)

They are Integrated circuits (ICs)

b)

They are economic

c)

They are solderless

22.

Arduino uses an IC named as____

a)

MAX232,

b)

ATMega328

c)

LM324,

d)

L293D.

23.

Turns any component ON/OFF for an instant,allows current to flow only when pressed...

a)

Relay Switch

b)

Slider Switch

c)

Push button

24.

Function used to configure a specific pin to behave either as an input or an output.

a)

digitalWrite( )

b)

Serial.begin( )

c)

pinMode( )

25.

The brightness of an LED can be increased by changing the value of....

a)

Multimeter

b)

Voltage

c)

Current

d)

Resister

26.

A common technique used to vary the width of the pulses in a pulse-train (a)  

27.

Are LEDs brighter in series or parallel?

a)

Series

b)

Parellel

28.

An electrical component that allows the flow of current in only one direction

a)

Triode

b)

Diode

c)

Bulb

29.

void setup( ) function defines

a)

Defines connections

b)

defines when to turn ON/OFF as well as what time interval

c)

gets executed only once

d)

A & B

e)

A & C

30.

Function which turns ON/OFF the pins of Arduino...

a)

AnalogRead()

b)

DigitalRead()

c)

AnalogWrite()

d)

DigitalWrite()

31.

An electromechanical component used to turn ON/OFF the circuit

(a)  

32.

Magnetic coil triggers mechanical switch in relay when it gets.....

a)

voltage

b)

current

c)

magnetic field

d)

electric field

33.

Three terminals in relay called C, NC , NO can be referred to as ...

(a)  

34.

At extremely (a)   the insulation on a coil can be damaged, causing malfunction in the relay, or plastics can lose stability.

35.

It is the amount of electricity in amperes that is actually being switched by the relay during its operation.

a)

Load voltage

b)

Continuous Load Current Draw

c)

Switching Current

36.

What is the use of the IR Sensor?

a)

Object Detection

b)

Image Processing

c)

GPS

d)

Humidity Detection

37.

What mode should we put the Arduino pin to, detection to work with the IR Sensor?

a)

PCM

b)

TDM

c)

Digital

d)

Analog

38.

What kind of waves does the IR Sensor work on?

a)

Infrared

b)

Infrasonic

c)

Ultrasonic

d)

Indigo

39.

If 1 means an object is detected and 0 meaning no object is detected, then considering the sensor is stationary, what can be said about the movement of the object if the output by the sensor is 111000?

a)

Object is continuously moving closer

b)

Object is not moving

c)

Object is oscillating side by side

d)

Object is continuously moving away

40.

What will happen if we supply a voltage of 25V to the Vcc of the IR sensor?

a)

Sensor will work fine

b)

Damage is caused

c)

Sensor will not respond for the time the voltage is applied

d)

Sensor will function normally

41.

How many pins are present in the IR Sensor?

a)

4

b)

6

c)

2

d)

3

42.

To understand binary code sent and received by the sensor we should use (a)  

43.

Which type of sensor is used to measure the distance between the vehicle and other objects in its environment.

a)

Motion Sensor

b)

Ultrasonic Sensor

c)

tactile sensor

d)

None of these

44.

Code " if( irrecv.decode(&results )) " in IR remote coding is being used to check

(a)  

45.

In coding for IRemote, if the received signal is 0xFD08F7 it means

a)

that the code is for button color

b)

that the code is for button 2

c)

that the code is for button color

d)

that the code is for button 1

46.

A means of using light to transmit a signal over distance...

a)

Ultrasonic Signal

b)

Radio signal

c)

Infrared signal

47.

Which one of the following sensors is used for the automatic door opening system?

a)

PIR

b)

Temperature

c)

Ultrasonic

d)

None of them

48.

Which one of the following sensors is used for distance measurement?

a)

Ultrasonic

b)

PIR

c)

Both a and b

d)

None of them

49.

The wavelength of infrared sensor is from ____________ Nano meters?

a)

760mm-1mm

b)

760nm-1mm

c)

760mm

d)

None of them

50.

The operating principle of infrared sensors is ______________?

a)

Doppler effect

b)

Pyroelectric effect

c)

Both a and b

d)

None of them

51.

Which one of the following needs lines of sight?

a)

Bluetooth

b)

Infrared

c)

Both a and b

d)

None of them

52.

The transmission power range of infrared wireless technology is up to __________________ mW?

a)

300 W

b)

100 mW

c)

200 W

d)

None of them

53.

The infrared sensors have __________ data transmission rate?

a)

Less

b)

Very high

c)

Medium

d)

Better

54.

What are the advantages of infrared sensors?

a)

Line of sight is required

b)

Noise immunity is very strong

c)

Range is limited

d)

None of them

55.

Is IR sensor digital or analog?

a)

digital

b)

analog

56.

What are the 3 types of DC motors?

a)

Series DC Motors

b)

Shunt DC Motors

c)

Compound DC Motors

d)

All of them

57.

DC Motor converts _____ to ____ energy

(a)  

58.

DC Motor consists of pair of (a)   inside.

59.

Which of the following quantity will decrease if supply voltage is increased?

a)

Full-load current

b)

Operating speed

c)

Starting torque

d)

Cannot be determined

60.

What makes motor rotate?

a)

Electric Current and Voltage

b)

pair of Magnet and Voltage

c)

pair of Magnet and Electric Current

d)

None of the above

61.

Motor is divided into two parts ______ and ____

(a)  

62.

(a)   consists of wire winding on it which helps to gain more current for the movement of motor

63.

Motor Driver is used to ?

a)

a) control the speed of motor

b) direction of motor

c) circuit to turn ON/OFF the motor but not change the terminals.

b)

a) control the speed of motor

b) direction of motor

c) circuit to turn ON/OFF the motor but change the terminals.

c)

a) control the speed of motor

b) direction of motor

64.

Which Driver Motor was used in Tinkercad project to control the motor?

a)

L298N

b)

L293D

65.

This pin gives power to the internal H-Bridge of the motor drivers to drive the motors.

You can connect an input voltage anywhere between 4.5 to 36V to this pin.

a)

Vs or Vcc2

b)

Vss or Vcc1

c)

both A and B

d)

none of them

66.

In Motor driver (IC), Output ( 1, 2, 3 & 4) are used for ....

a)

Turning the output of IC ON/OFF

b)

Sending signals to DC motor to Tun ON/OFF

c)

to turn ON/OFF the motor

67.

If Input 1 gets HIGH and Input 2 gets LOW , in which direction DC motor will rotate?

(a)  

68.

The concept of Motor Driver and Arduino is important as it can be used in

a)

Machine Learning

b)

Automatic Robotics

c)

Artificial Intelligence

69.

Is it possible to turn DC motor clockwise and anticlockwise direction without using the Motor Driver?

a)

True

b)

False

70.

The speed control pins ______and ____ are used to turn on/off the motors and control its speed

a)

Output 1 , Enable 1

b)

Enable 1 , Enable 2

c)

Output 2 , Enable 2

d)

Output 3 and Output 4

71.

PWM is a technique where the average value of the input voltage is adjusted by sending a series of ON-OFF pulses.

a)

True

b)

False

72.

(a)   is the physical property of particles such as electrons and protons which causes them to experience attractive or repulsive force.

73.

When capacitor starts charging?

(a)  

74.

The electric charge stored in the capacitor cannot be removed unless it is connected to an external device.

a)

True

b)

False

75.

When capacitor is connected to any device such as electric bulb, it starts discharging.

a)

True

b)

False

76.

A basic capacitor is made of ______separated by a ________

(a)  

77.

Capacitors also have the unit to identify their storage and that is (a)  

78.

The parallel metal plates of the capacitor separated by ________

a)

Isolators

b)

Insulators

c)

Both a and b

d)

None of them

79.

How many conductors does the capacitor consist of?

a)

One

b)

Two

c)

Three

d)

Four

80.

Capacitor obey _________ law

a)

Ohms law

b)

Coulombs

c)

Kirchhoffs law

d)

All of them

81.

The capacitors categorized into _______ groups

a)

One

b)

Two

c)

Three

d)

Four

82.

_________ are the dielectric materials

a)

Rubber, oil, paper

b)

Air or Vaccum

c)

Mica, glass, ceramic

d)

All of them

83.

After long time capacitor blocks ________

a)

AC

b)

DC

c)

Both a and b

d)

None of them

84.

The voltage decays when the slide switch is turned towards the LED

a)

True

b)

False

85.

Increasing the value of capacitor increases ________

a)

Current Capacity of capacitor

b)

Charging Capacity of capacitor

c)

Voltage capacity of capacitor

86.

Capacitors are used to reduce power fluctuations in power supplies and to increase the efficiency of power transmission.

a)

True

b)

False

87.

The voltage of the capacitor increases slowly and provides charge to LED and Motor for a longer time

a)

True

b)

False

88.

The process of charging the capacitor is repeated until the capacitor voltage equals (a)  

89.

The rate of charging and discharging is determined by the source's frequency.

a)

True

b)

False

90.

(a)   is the effect of the capacitor and is defined as the ratio of electric charge Q to the voltage V and it is expressed as:

C = Q/V

91.

(a)   can convert detected information from physical parameters into electrical energy.

92.

Name any three types of sensors.

(a)  

93.

It sends Passive Infrared signals all the time, and when there is the disturbance in the range of that signal then this sensor sends the information.

a)

PIR

b)

Motion Sensor

c)

IR Sensor

d)

Rain Sensor

94.

For measuring distance (a)   sensor is used.

95.

The function of a sensor is to ________.

a)

Track and transfer data to computer processor

b)

Detect events within specified environment

c)

Separate physical parameters

d)

Both A & C

e)

Both A & B

96.

Sensor effectiveness depends on ______ parameter.

a)

Resistivity

b)

Radiation

c)

Sensitivity

d)

All them

97.

Application of Tactile sensors is _______.

a)

vehicles

b)

Smart mobile phones

c)

Elevator touch-sensitive buttons

d)

Both A & B

e)

Both B & C

98.

Which of the following is considered as input to a sensor?

a)

Drivers

b)

Processor

c)

Microcontroller

d)

Both B & C

99.

Which of the following are the characteristics of a good sensor?

a)

Zero influence of measured property

b)

Insensitive to other application property

c)

High sensitive to measured property

d)

All of them

100.

Referring the circuit created using gas sensor on Tinkercad platform , " if the gas sensor value is greater then or equals to 500" then

a)

Turn ON the LED at pin 13

b)

Turn ON the LED at pin 12

101.

The ratio between the resultant output signal to a measured property of a sensor is called ______.

a)

Resistivity

b)

Conductivity

c)

Sensitivity

d)

Both b and c

102.

. _______ sensor provides data about the chemical composition of its environment in terms of gas, and liquid phase.

a)

Air sensor

b)

Liquid sensor

c)

Chemical sensor

d)

All of them

103.

The output obtained from the temperature sensor is of ______ form.

a)

Current

b)

Voltage

c)

Both a and b

d)

None of the above

104.

Which of the following are the examples of Analog sensors?

a)

Light sensors

b)

Accelerometer

c)

PIR

d)

both A & C

e)

both A & B

105.

Temperature sensor measures temperature in ____ units.

a)

Centigrade

b)

Kelvin

c)

Fahrenheit

d)

All of them

106.

What does the availability of LCD in 16 x 2 typical value indicate ?

a)

16 pixels per line with 2 such sets.

b)

16 lines per character with 2 such lines

c)

16 lines per pixel with two such sets

d)

16 characters per line with 2 such lines.

107.

Which control line/s act/s as an initiator by apprising LCD about the inception of data transmission by the microcontroller?

a)

Read/Write (RW)d

b)

Register Select (RS)

c)

Enable (EN)

d)

All of them

108.

Temperature sensor provides results in _______ which we can convert into any unit we want.

a)

Kelvin

b)

Celcius

c)

Fahrenheit

d)

None of them

109.

Potentiometer is an electrical component that offers variable resistance.

a)

True

b)

False

110.

Difference between Potentiometer and Resister is...

a)

potentiometer offers fixed voltage

whereas resister offers variable voltage

b)

potentiometer offers variable resistance

whereas resister offers fixed value

111.

On moving the knob anticlockwise brightness of LED decreases beacuse

a)

the resistance value has been decreased

b)

the resistance value has been increased

c)

the resistance value has not changed

d)

None of them

112.

Each row and column of a 4 X 4 keypad can be accessed from terminal available.

a)

True

b)

False

113.

How does Arduino understands different features of LCD and Keypad (a)  

114.

How keypad is similar to the push button?

4 lines
115.

Which of the following is the frequency range of sound waves?

a)

20Hz to 20GHz

b)

20Hz to 20KHz

c)

200Hz to 200KHZ

d)

2Khz to 20GHz

116.

(a)   is the number of ripples that a wave creates every second.

117.

4 terminals in the Ultrasound sensor.

(a)  

118.

In an Arduino based application of ultrasonic sensor, which of the following mode is set to enable ultrasonic sensor?

a)

Analog

b)

Binary

c)

TDM

d)

All of them

119.

Which of the following is the formula for to calculate distance using ultrasonic sensor with 4 pins?

a)

Duration x speed of sound

b)

Duration x speed of sound/2

c)

Duration x 2 /speed of sound

120.

Why we cannot hear ultarsonic sound?

a)

It is not audible

b)

frequency is lower than audible frequency

c)

frequency is higher than audible frequency

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