In a permanent magnet at room temperature.
A. magnetic moment of each molecule is zero
B. the individual molecules have non-zero magnetic moment which are all perfectly aligned
C. domains are partially aligned
D. domains are all perfectly aligned
Answer:D
In a permanent magnet at room temperature.
A. magnetic moment of each molecule is zero B. the individual molecules have non-zero magnetic moment which are all perfectly aligned C. domains are partially aligned D. domains are all perfectly aligned