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An electric arc between two nails
An electric arc between two nails
Natural lightning is now considered an electric spark, not an arc.
Natural lightning is now considered an electric spark, not an arc.
Electricity arcs between the power rail and electrical pickup "shoe" on a London Underground train
Electricity arcs between the power rail and electrical pickup "shoe" on a London Underground train
Electric arc between strands of wire.
Electric arc between strands of wire.
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Electrical breakdown in an electric discharge showing the ribbon-like plasma filaments from a Tesla coil.
Electrical breakdown in an electric discharge showing the ribbon-like plasma filaments from a Tesla coil.
A Tesla coil, showing several forms of electrical breakdown. On the right side of the aluminum high voltage terminal (top right) is a purple corona di
A Tesla coil, showing several forms of electrical breakdown. On the right side of the aluminum high voltage terminal (top right) is a purple corona discharge. At the end of the wire projecting from the terminal (top left) is a brush discharge. The fluorescent tube lying on the stand is lit by a glow discharge induced by the radio frequency electric field. At bottom the Tesla coil apparatus is lit by an intense white light from an electric arc in a
Dielectric breakdown within a solid insulator can permanently change its appearance and properties. As shown in this Lichtenberg figure
Dielectric breakdown within a solid insulator can permanently change its appearance and properties. As shown in this Lichtenberg figure