Question

7. When may a magnet lose its magnetic property?
a. Hammered forcefully
b. Dropped forcefully on floor
C. Heated to a very high temperature
d. All of the above​

Answer 1

Answer:

Elevated temperature: Magnetic materials lose magnetism as they heat, but they regain magnetism when cooled provided the maximum temperature is below their Curie temperature. Above the Curie temperature, a magnet permanently loses all or some of its magnetism.