Question

write any 4 activities that demagnetize the permanent magnet​

Answer 1

Answer:

heating past the curie point ,applied a strong magnetic field , applying alternating current or hammering the metel

Answer 2

Answer

Heating

Burning

Careless handling

Hammering



Explanation

Demagnetization randomizes the orientation of magnetic dipoles. Demagnetization processes include heating past the Curie point, applying a strong magnetic field, applying alternating current, or hammering the metal. Demagnetization occurs naturally over time.