16. Which of the following actions will not cause a magnet to lose its magnetism?(4) (1)Hitting it repeatedly with a hammer(2)Dropping it from a height repeatedly(3)Heating it over a flame for some time(4)Stroking it with a non-magnetic object 相关知识点: 试题来源: 解析 (4) ...
day lives. The concept of magnetism is applied to countless situations. Part of science and traffic would come to a standstill if it couldn’t rely on this phenomenon. Even the earth itself is an actual magnet. Does this mean that we have to fear magnets will quickly lose their magnetism?
False Like poles of a magnet will repel each other but a magnet always attracts ferromagnetic material. Magnets and magnetic substances show the...Become a member and unlock all Study Answers Start today. Try it now Create an account A...
How can a permanent magnet lose its magnetism? How to measure magnetic field strength of permanent magnet. Is gravity a magnetic field? How often does the earth's magnetic field switch polarity? What does Earth's magnetic field protect us from? What happens in Earth's interior to produce Ear...
If you adopt a bitter attitude towards him, it will subconsciously creep into your dealings with others, and you will lose your magnetism with them. The Magnetic Mind and Self-Consciousness The Magnetic Mind destroys self-consciousness. You are self-conscious when you doubt your ability to ...
If there is a moving magnet field that can be tapped and harnessed then it’s a different ball-game. To create an electric field, you need magnetism, a conductor, and relative motion between the two. Conversely, to make a motor you need a conductor and some electricity to create a ...
When the switch on free fall apparatus is opened, the electromagnet does not instantly lose quite all of its magnetism. What effect does this have on the results? What would happen if one of the magnets were put into the assembly b...
When the switch on the free-fall apparatus is opened, the electromagnet does not instantly lose quite all of its magnetism. What effect does this have on the results? If the Earth's albedo rate dropped from 0.31 to 0.29, what would happen to the surface temperature? Ig...