WorksheetsComputer Pretest2(Arduino Grade8_t1)
Total questions: 25
Worksheet time: 13mins
delay(5000); stands for :
Wait 50 seconds
Wait 5 seconds
Wait 5 minutes
No one
Brain
Integrated Circuit (IC)
LED
all the devices around us contains arduino
yes
no
Analog Pins can understand which signals?
0 & 1
0 to 255
0 to 1023
0 to 2023
How many terminals does a Potentiometer have?
2
3
4
5
Middle Terminal of Potentiometer is to be connected with __________.
5V Pin
GND Pin
Digital Pin
Analog Pin
Which of these potentiometers is connected correctly?
Characteristics of a POTENTIOMETER
digital, input
digital, output
analog, input
analog, output
DC MOTOR CONVERTS ------- ENERGY INTO ----------ENERGY
MECHANICAL, ELECTRICAL
ELECTRICAL, MECHANICAL
KINETIC, POTENTIAL
In DC motors we can control ........ and ..............
Angular position
acceleration
direction
speed
Speed change of DC motor is controlled by
Enable pin
Input pins
H-bridge
Output pins
Which of the following consider as output devices?
Button
LED
Humidity
Motor
In DC Motor, we can control _______
Speed
Position
Both
In Servo Motor, we can control _________.
Speed
Angle
Both
Angle Limit of the Servo Motor is ______.
0 to 90
0 to 180
0 to 255
0 to 360
0 to 1023
How many terminals does a DC motor have?
1
2
3
4
5
How many terminals does a Servo motor have?
1
2
3
4
5
The Red terminal of Servo Motor is _______.
Negative
Positive
Signal
The Brown terminal of Servo Motor is _______.
Negative
Positive
Signal
The Orange terminal of Servo Motor is _______.
Negative
Positive
Signal
The Orange terminal of the Servo Motor is to be connected to _______.
5V
GND
Digital Pin
Analog Pin
STEPER MOTOR
SERVO MOTOR
BRUSHLESS MOTOR
SHUNT DC MOTOR
SERVO MOTOR USES ------LOOP SYSTEM
OPEN
CLOSED
A potentiometer can control
DC Motors
Servo Motors
Option A and B
None of the above
