A magnetic material is able to stick to anything.
be a person who work with animals
An electromagnet is a stronger magnet.
You can't. You might be able to demagnetize it, but then it's no longer a magnet, it's just a piece of metal.
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Unless you scratch the disk while placing the magnet on the disk, then nothing will happen. A magnet would have to be powerful enough to extract the hemoglobin from human bloodcells to be able to effect the disk.
The magnetic length is shorter than the geometric length of a magnet because the magnetic field extends beyond the physical boundaries of the magnet. The field lines curve and loop around the magnet, causing the magnetic effect to reach out further than the physical dimensions of the magnet itself.
The small bar magnet has a stronger magnetic field, at least at short distances.
No, a magnet will not be able to attract a paper clip that has a cardboard between them. The cardboard will act as a barrier, preventing the magnetic force from reaching the paper clip.
The size of a magnet does not necessarily determine how many paper clips it can hold. The strength of the magnet, which is measured by its magnetic field, is what determines how many paper clips it can hold. A smaller magnet with a stronger magnetic field may be able to hold more paper clips than a larger magnet with a weaker magnetic field.
Being able to turn electromagnetic on and off is what separates it from a normal magnet.
The iron filings experiment demonstrates that a magnet's force can pass through certain materials. Placing iron filings on a piece of paper and then placing a magnet underneath the paper will cause the filings to align along the magnetic field lines, showing that the magnet's force is able to pass through the paper.
in the third area there is a magnet suit in a bin. smash up the bin and build the magnet suit then climb up the magnet wall and when you are on top of wall use Alfred to glide over to him if you see him from here