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What is true about permanent magnets?
Permanent magnets have their own magnetic field that does not require external electrical current to maintain. They can attract or repel other magnetic materials without losing their magnetic properties. Common materials used for permanent magnets include iron, nickel, and cobalt.
How do perpetual motion machines using magnets work?
Perpetual motion machines using magnets work by harnessing the repelling force between magnets to create continuous motion without the need for an external power source. The magnets are arranged in a way that allows them to repel each other, causing the machine to move in a continuous cycle. However, it is important to note that true perpetual motion machines are not possible due to the laws of thermodynamics.
How strong are neodymium magnets compared to other types of magnets?
Neodymium magnets are the strongest type of permanent magnets available, with a much higher magnetic strength compared to other types of magnets like ceramic or alnico magnets.
Can magnets kill you?
No, magnets cannot kill you.
Examples of permanent magnets?
Some examples of permanent magnets include neodymium magnets, samarium cobalt magnets, and ceramic (ferrite) magnets. These magnets retain their magnetism without the need for an external magnetic field.
What is true for both magnets and charges?
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Is it true that magnets can attract iron?
Yes, it is.
Is it true that electric current can be generated with magnets?
Electromagnetism.
Which of the following is true of permanent magnets?
They are difficult to magnetize,
When the magnetic fields of two or more magnets overlap the result is a combined field. True False?
True. When the magnetic fields of two or more magnets overlap, they combine to form a resultant magnetic field. This combined field can vary in strength and direction depending on the orientation and strength of the individual magnets. The interaction can lead to reinforcement or cancellation of the magnetic fields.
Is it true or false magnet usually attract the metal iron tin cobalt?
True. Magnets typically attract materials that are magnetic, such as iron, tin, and cobalt.
If your dealing with magnets is it true that poles repel and unlike poles attract?
Yes, u got it right
What is true about permanent magnets?
Permanent magnets have their own magnetic field that does not require external electrical current to maintain. They can attract or repel other magnetic materials without losing their magnetic properties. Common materials used for permanent magnets include iron, nickel, and cobalt.
What is a true statement about the magnetic field between two magnets?
The south pole of one magnet is attracted to the north pole of the other magnet.
What are some names of small magnets?
Refrigerator magnets, car magnets, neodymium magnets are names of small magnets.
Is it true that metals are attracted TO but not BY magnets?
Yes, it's true that metals such as iron, nickel, and cobalt are attracted to magnets due to their magnetic properties. This attraction occurs because the magnetic field of the magnet induces a magnetic moment in the metal, causing it to be drawn towards the source of the magnetic field. However, these metals do not produce a magnetic field that attracts the magnet; rather, they respond to the magnet's field. Thus, they are attracted to magnets, not by them.
What is true for magnets but not for charges?
Magnets have north and south poles, whereas charges do not have distinct poles. Additionally, magnets can attract or repel each other based on their alignment, while charges can only attract each other. Finally, magnets can retain their magnetism even when not in contact with another magnet, whereas charges require contact to interact.
