Quiz  /  D.C. Motors Class 12 MCQ Questions With Answers

  • 1. 
    What are the TRUE differences between this component in the picture and a DC MOTOR?

  • This component can turn to specific angle and DC Motors cannot
  • This component need 3 wires to connect
  • DC Motor can turn to 180 degrees only
  • Both A & B

  • 2. 
    Which of the following lines serves the connection of servo motor attachment to pin 9?

  • myservo.pinMode(9);
  • myservo.attach(9);
  • myservoattach(9)
  • pinMode(servo,INPUT);

  • 3. 
    If servo object is myServo and then servo control signal to make 150 degree angle, is coded as

  • myServo.write(150);
  • myServo.Write(852.5);
  • myServo.write(852.5);
  • analogWrite(852.5);

  • 4. 
    I think I have learned _________ about Arduinos

  • nothing at all
  • a little bit, but I need to do all of the projects
  • Much more, but I still get confused
  • A lot so far, this is not difficult

  • 5. 
    Speed change of DC motor is controlled by

  • Enable pin
  • Input pins
  • H-bridge
  • Output pins

  • 6. 
    to make the Motor A rotate backward and Motor B stop

  • Pin 9 - GND, Pin 8 - 5V, Pin 7 - GNDPin 5 - GND, Pin 4 - GND, Pin 3 - GND
  • Pin 9 - 5V, Pin 8 - GND, Pin 7 - 5VPin 5 - GND, Pin 4 - GND, Pin 3 - GND
  • Pin 9 - 5V, Pin 8 - 5V, Pin 7 - GNDPin 5 - 5V, Pin 4 - GND, Pin 3 - GND
  • Pin 9 - GND, Pin 8 - 5V, Pin 7 - 5VPin 5 - GND, Pin 4 - GND, Pin 3 - GND

  • 7. 
    Function of H-Bridge in DC motor control is

  • Change the speed of the DC motor
  • Change the direction of the DC motor
  • Send feedback of the speed of the DC motor
  • Measures the speed of the DC motor

  • 8. 
    Servo signal pin must be connected to

  • any digital pin of Arduino
  • analog input pins A0 to A5
  • any one of the PWM pins
  • 5V pin

  • 9. 
    How header file is to be defined to code for servo motors?

  • # define Servo
  • # include Servo
  • #include
  • Servo myservo;
Report Question
warning
access_time
  Time