Needles A, B and C are made of ferromagnetic, para magnetic and diamagnetic material
respectively. If a permanent magnet is brought close to them, it will
(A) attract all three of them
(B) attract A and B strongly but repel C strongly
(C) attract A strongly but repel B and C weakly
(D) attract A strongly, attract B weakly and repel C weakly
Answers
Answered by
2
Answer:
D)
Explanation:
Answered by
6
Answer:
D) attract A strongly, attract B weakly and repel C weakly.
Explanation:
Ferromagnetic substance has magnetic domains whereas paramagnetic substances have magnetic dipoles which get attracted to a magnetic field.
Diamagnetic substances do not have a magnetic dipole but in the presence of external magnetic field due to their orbital motion these substance are repelled.
Similar questions