Give me ideas of physics questions
Topic - Magnet and Electro magnet
plz help me
Answers
Answered by
1
Answer:
A permanent magnet is an object made from a material that is magnetized and creates its own persistent magnetic field. ... An electromagnet is made from a coil of wire which acts as a magnet when an electric current passes through it.
quizlet\/76430511/magnetism-and-electromagnetism-flash-cards/
Answered by
0
Answer:
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. ... The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic flux and makes a more powerful magnet.
Similar questions