Is the magnetism in Bar magnet permanent or temporary?Similarly, what about an electromagnet?
Chilukuri Sai Kartik , 13 Years ago
Grade 12
Magnetism> Electromagnet...
1 Answers
Yashashavi Momyan
Last Activity: 13 Years ago
a bar is technically permanent ...but if you heat the bar magnet or make it fall on the ground it might loose its properties
a electromagnet remains magnetic only if their is a active electic field
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free
Enter text here...
Other Related Questions on Magnetism
Four long co-axial thin walled cylindrical conductor A, B, C and D have radii R. 2R 3R and 4R respectively. A and C carry current I and 31 respectively to plane of paper on the other hand, B and D carry and 41 respectively outward to plane of paper. Then 21
Magnetism
0 Answer Available
Last Activity: 2 Year ago(s)
I need solution of these questions.............................Magnetic effect of current
Magnetism
0 Answer Available
Last Activity: 2 Year ago(s)
A freely suspended iron rod does not point at N-S directions alwalys .why
Magnetism
0 Answer Available
Last Activity: 2 Year ago(s)
Derive the relation between magnetic field intensity (H) and magnetization (M) for a magnetic material placed in a magnetizing field.
Magnetism
0 Answer Available
Last Activity: 2 Year ago(s)