4. Natural magnets are called permanent magnets, because
Answers
Answered by
1
Answer:
A permanent magnet is called a permanent magnet because its magnetism is 'always on', it generates its own persistent magnetic field unlike an electromagnet which is made from a coil of wire wrapped around a ferrous core and requires an elecyruc current to generate a magnetic field.
Answered by
9
Answer:
because its magnetism is always on
Similar questions