engineering recuitment UPPSC AE Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Properties of Materials
Which of the following statements is not correct regarding ferrites?
1
Ferrites, with large magnetostrictive effects, are used in electromechanical transducers.
2
Ferrites have very high resistivity.
3
Hard magnetic ferrites are used for the manufacture of light weight permanent magnetis.
4
Soft magnetic materials can be used for making permanent magnets.