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Motor Control

Authored by Goonpawa JAMORNMARN

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University

14 Questions

Used 4+ times

Motor Control
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of a microcontroller in motor control?

To process input signal to control the motor

To provide power to the motor

To change the motor's direction

To change the motor's speed

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which command in Arduino is used to write a digital value to a pin?

analogWrite()

digitalWrite()

pinMode()

digitalRead()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When controlling a motor’s speed using PWM, what does PWM stand for?

Pulse Width Modulation

Power Wattage Management

Pulse Wave Modulator

Power Workforce Mechanism

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about using PWM for motor speed control?

It varies the motor’s speed by changing voltage.

It can only turn the motor on or off, not control speed.

It controls speed by adjusting the duration of the “on” signal.

It increases motor speed by increasing the frequency of the signal.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a program uses a sensor to adjust the motor’s speed based on the distance to an object, which sensor type is most suitable?

Temperature sensor

Ultrasonic distance sensor

Humidity sensor

Light sensor

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which timer mode in the ATmega328 is used to create PWM waveform?

Normal Mode

Clear Timer on Compare match Mode (CTC Mode)

Fast PWM mode

Modulate PWM mode

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which register in the ATmega328 is used to set the period for Fast PWM mode?

TCCRnA

OCRnA

TCCRnB

TCNTn

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