adplus-dvertising
frame-decoration

Question

How can the direction of the DC motor be changed?

a.

by changing the torque

b.

by changing the switching speed

c.

by changing the polarity of voltages connected to the leads

d.

by changing the RPM rating

Posted under 8051 Microcontroller Computer Architecture

Answer: (c).by changing the polarity of voltages connected to the leads

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. How can the direction of the DC motor be changed?
Add Comment

Similar Questions

Discover Related MCQs

Q. PWM allows the control of a DC motor with the same phase, but with different amplitude phases?

View solution

Q. The RPM rating given for the DC motor is for?

View solution

Q. Which of the following can be a unit for torque?

View solution

Q. How can we control the speed of a stepper motor?

View solution

Q. What are optoisolators?

View solution

Q. Why are solid relays advantageous over electromagnetic relays?

View solution

Q. Why do we need a ULN2803 in driving a relay?

View solution

Q. What are DPDT relays?

View solution

Q. What is the principle on which electromagnetic relays operate?

View solution

Q. What is the supply that a DS12887 consumes even when the power is switched off?

View solution

Q. Name the read only registers are present in the DS12887?

View solution

Q. Are the RAM locations of the DS12887 non volatile?

View solution

Q. What is the byte address where time, calendar, alarm address locations etc are kept?

View solution

Q. What is correct about the UIP pin of the register A?

View solution

Q. Which out of the following is correct about the SQW pin?

View solution

Q. Which bits of the Register A are used for turning on the oscillator?

View solution

Q. How many bytes of the ROM are there for the general purpose applications?

View solution

Q. What is the RAM space that a DS12887 have?

View solution

Q. DS12887 is a

View solution

Q. How many pins of the 8255 can be used as the I/O ports?

View solution
View All MCQs on 8051 Microcontroller

Suggested Topics

Are you eager to expand your knowledge beyond Computer Architecture? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Systems Programming

Decode low-level programming with our Systems Programming MCQs. These questions delve...

Java Programming

Level up your coding skills with our Java Programming MCQs. From object-oriented...

Embedded Systems

Dive into the world of specialized computing systems with our Embedded Systems MCQs....

IT Fundamentals

Navigate the basics of information technology with our IT Fundamentals MCQs. Get a...

C Programming

Master one of the most widely used programming languages with our C Programming MCQs....

Data Science

Discover the fascinating world of extracting insights from data with our Data Science...

R Programming

Unleash the power of statistical computing with our R Programming MCQs. Topics cover...

MySQL Database

Enhance your knowledge of relational databases with our MySQL MCQs. Understand...

SQL Server

Master Microsoft's database server with our SQL Server MCQs. Topics cover database...