Examlex
How have scholars interpreted handprints in Paleolithic cave paintings?
Electromagnet
A type of magnet where the magnetic field is produced by an electric current, typically involving a wire coil.
Volts-per-turn Principle
The volts-per-turn principle relates to the design of electromagnetic coils, stating that the induced voltage in a coil is proportional to the rate of change of magnetic flux linkage per turn of the coil.
Electro-magnetic Induction
A phenomenon where an electric current is induced in a conductor when it is exposed to a changing magnetic field.
Core Material
The material used in the magnetic core of electrical devices like transformers and inductors, influencing their efficiency and performance.
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