Question

Which of the following property shows the property of ferromagnetic substances?
(a) The ferromagnetic property depends on tem-perature. ‘
(b) The ferromagnetic property does not depend on temperature.
(c) At high enough temperature ferromagnet becomes a diamagnet.
(d) At low temperature ferromagnet becomes a paramagnet.

Answer 1

Explanation:

ANSWER

Ferromagnetic material depends on temperature as for T<T

c

(Curie

′

sTemperature) it acts as a ferromagnet.

T>T

c

acts as a paramagnet.