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What is a common characteristic of materials that are attracted to magnets?
- a)They are usually non-metallic.
- b)They contain iron, nickel, or cobalt.
- c)They are made of plastic or rubber.
- d)They are always colored red.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
What is a common characteristic of materials that are attracted to mag...
Materials that are attracted to magnets typically contain iron, nickel, or cobalt. These materials are magnetic, meaning they can be attracted by a magnet due to their magnetic properties. This characteristic is used to identify magnetic and non-magnetic materials in various contexts.
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What is a common characteristic of materials that are attracted to mag...
Understanding Magnetic Attraction
Materials that are attracted to magnets exhibit specific characteristics due to their elemental composition. The correct answer to the question is option 'B': They contain iron, nickel, or cobalt.
Why Iron, Nickel, and Cobalt?
- Ferromagnetic Properties:
- Iron, nickel, and cobalt are known as ferromagnetic materials.
- They have unpaired electrons in their atomic structure, which allows them to align with a magnetic field.
- Magnetic Domains:
- In these materials, tiny regions called magnetic domains can be aligned in the presence of a magnetic field.
- When these domains align, the material itself becomes magnetized and is attracted to magnets.
Other Options Explained
- Option A: Non-metallic
- Non-metallic materials, such as plastics or wood, do not contain the necessary elements to exhibit magnetic properties.
- Option C: Plastic or Rubber
- These materials are generally insulators and do not interact with magnetic fields.
- Option D: Always Colored Red
- The color of a material has no bearing on its magnetic properties. There are ferromagnetic materials that can be any color, not just red.
Conclusion
The attraction of materials to magnets primarily depends on their composition. Iron, nickel, and cobalt are key elements that enable this magnetic attraction due to their unique atomic structures and properties. Understanding these characteristics helps us differentiate between materials that are magnetic and those that are not.
Materials that are attracted to magnets exhibit specific characteristics due to their elemental composition. The correct answer to the question is option 'B': They contain iron, nickel, or cobalt.
Why Iron, Nickel, and Cobalt?
- Ferromagnetic Properties:
- Iron, nickel, and cobalt are known as ferromagnetic materials.
- They have unpaired electrons in their atomic structure, which allows them to align with a magnetic field.
- Magnetic Domains:
- In these materials, tiny regions called magnetic domains can be aligned in the presence of a magnetic field.
- When these domains align, the material itself becomes magnetized and is attracted to magnets.
Other Options Explained
- Option A: Non-metallic
- Non-metallic materials, such as plastics or wood, do not contain the necessary elements to exhibit magnetic properties.
- Option C: Plastic or Rubber
- These materials are generally insulators and do not interact with magnetic fields.
- Option D: Always Colored Red
- The color of a material has no bearing on its magnetic properties. There are ferromagnetic materials that can be any color, not just red.
Conclusion
The attraction of materials to magnets primarily depends on their composition. Iron, nickel, and cobalt are key elements that enable this magnetic attraction due to their unique atomic structures and properties. Understanding these characteristics helps us differentiate between materials that are magnetic and those that are not.
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