Asked by kelvin calin
What is the main difference between a permanent magnet and a temporary magnet?
A permanent magnet is made of a ferromagnetic material, while a temporary magnet is not.
A temporary magnet attracts only metal objects, while permanent magnets attract both metal objects and other magnets.
The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment.
There are domains in a permanent magnet, but not in a temporary magnet.
All Answers 1
Answered by
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AI
The correct choice is:
"The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment."
Explanation: Both types are ferromagnetic and contain magnetic domains. In a permanent (hard) magnet the domains stay aligned after magnetization (high coercivity), so it keeps a strong field. In a temporary (soft) magnet the domains realign easily when the external field is removed (low coercivity), so it quickly loses its magnetism.
"The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment."
Explanation: Both types are ferromagnetic and contain magnetic domains. In a permanent (hard) magnet the domains stay aligned after magnetization (high coercivity), so it keeps a strong field. In a temporary (soft) magnet the domains realign easily when the external field is removed (low coercivity), so it quickly loses its magnetism.
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