When a ferromagnetic material that has been magnetized is brought to a temperature greater than the Curie temperature, what happens to its residual magnetism?
A. Nothing happens to the residual magnetism.
B. The residual magnetism disappears.
C. The residual magnetism reaches it's highest value.
D. All the magnetic domains causing magnetism become a single domain.
E. The material of the magnet melts causing currents that are magnetic.
Answer: B
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A. the heat that flows out of the gas. B. the work done on the gas. C. the heat added to the gas. D. the work done by the gas.
List the three types of nebulae in the Interstellar Medium
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All of the following statements are true. Which one explains why Mars has lost so much more interior heat than Earth.
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