Examlex
The standard deviation tells us the range of answers that includes approximately 70% of the sampled respondents.
Unlike Poles
Refers to the north and south poles of magnets; when magnets have poles facing each other that are different, they attract.
Like Poles
Magnetic poles of the same kind (either both north or both south), which repel each other according to magnetic principles.
Electromagnet
A type of magnet where the magnetic field is produced by an electric current, typically through a wire wound into a coil around a magnetic core.
Magnetic Field
An invisible field around magnetic materials where magnetic forces are exerted and can be detected by other magnetic materials or moving electric charges.
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