Exam Question:Describe how another permanent magnet can be used to identify different metal blocks
1. Magnet is brought to each block 2. North + south pole must be pointed at the blocks3. The aluminium block will not be affected4. Iron will be affected by both poles5. Permanent magnet will be repelled by the other permanent block
In order to identify different metal blocks using a permanent magnet, we can make use of a second magnet. Here are the step-by-step instructions on how to do it:
1. Start by selecting a sample metal block and a permanent magnet. Place the magnet close to the metal block to determine if the block is magnetic.
2. If the metal block is attracted to the magnet, then this indicates that it contains ferromagnetic properties. If it is not attracted, then it could be paramagnetic or diamagnetic.
3. Take the metal block that you want to identify and place it in front of the second permanent magnet, which should be of the same strength as the first magnet.
4. Slowly move the second magnet towards the metal block, ensuring that the two magnets do not touch. If the metal block is magnetic, it will start to interact with the magnetic field of the second magnet.
5. Observe the behavior of the metal block as you move the second magnet closer to it. Depending on the type of metal, the block may exhibit varying degrees of magnetic attraction.
6. If the metal block is ferromagnetic like iron, it will exhibit a strong magnetic attraction to the second magnet. If the block is diamagnetic, then it will repel the magnet. If it is paramagnetic, then it will exhibit weak magnetic attraction.
7. By comparing the degree of magnetic attraction exhibited by the metal block to the second magnet with that of known metal blocks, we can accurately identify the metal block.
In conclusion, by using a second permanent magnet, we can differentiate between different types of metal blocks based on their interaction with the magnetic field.
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