Electrical phenomena

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Villari effect, magnetoelastic effect — the reverse phenomenon of magnetostriction. Useful for electrician: electrical engineering and electronics

The Villari effect is named after the Italian physicist Emilio Villari, who discovered the phenomenon in 1865. The phenomenon is also called magnetoelastic...

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Triboelectric effect and TENG nanogenerators. Useful for Electrical Engineering: Electrical and Electronics Engineering

The triboelectric effect is the phenomenon of the appearance of electric charges in some materials when they rub against each other. This effect on...

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Pyroelectricity—Discovery, Physical Basis and Applications. Useful for Electrical Engineering: Electrical and Electronics Engineering

Legend has it that the first records of pyroelectricity were made by the ancient Greek philosopher and botanist Theophrastus in 314 BC. According to...

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Meissner effect and its use. Useful for Electrical Engineering: Electrical and Electronics Engineering

The Meissner effect, or Meissner-Oxenfeld effect, consists in the displacement of a magnetic field from the bulk of the superconductor by...

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Photoelectron radiation — physical meaning, laws and applications. Useful for electrician: electrical engineering and electronics

The phenomenon of photoelectron emission (or external photoelectric effect) was discovered experimentally in 1887 by Heinrich Hertz during an experiment...