The image shows the magnetic field in a bar magnet and an electromagnet

asked Jan 25, 2021 223k views

5 votes

7.1k points

Please log in or register to add a comment.

4 votes

Answer:

Explanation:

the electromagnet lasts only as long as there is supply of electric current

Matthewbeta answered Feb 1, 2021

7.4k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.3m questions

10.9m answers