0
Think that an insulated wire is wound on a soft iron core. Now without any current in the coil soft iron is not magnetized. As steady current flows through the wire then soft iron would become as a bar magnet. This magnetism would last so long as there is current in the wire. Such a magnetism is known as electromagnetism.
But there are permanent magnets. Example bar magnets.
What else can I help you with?
Related Questions
Trending Questions
Can you play a bassoon with an oboe reed?
Is a lock a lever?
Is A poll tax a special tax that has to be paid in order to vote?
Who is called father of commerce?
What are the long-term and short-term effects of trichomoniasis?
What is the scientific name for the Mexican axolotl?
How do you spell penguin and riddler?
What has the author Jutta Lindner written?
In electrical engineering what is a spur circuit?
Do alligators or crocadiles do the death roll?
What is five and three fourths as a decimal?
Who are some famous female rugby players?
How long is fresh turkey good for before it spoils?
Can you Love And Hate the Same person At the same time?
Who was the person who admitted Montana?
Where is James Fuchs Olympic shotputer?
How do you check oil 1984 atc 250r?
How much money did guards in concentration camps get?
Who was the tallest jockey to ride in the Kentucky Derby?
Why did Mars bar and maniac run together but never speak to each other?
Copyright ©2025 Answers.com. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.