A) at all temperatures
B) at NTP only
C) above 770°C
D) below 770°C
Correct Answer: D
Solution :
Curie temperature of iron is\[770{}^\circ C\]. So, below \[770{}^\circ C\], it is ferromagnetic and above\[770{}^\circ C\] it is paramagnetic.You need to login to perform this action.
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