Credit: RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA/SCIENCE PHOTO LIBRARY

Caption: Electrical conductivity of graphite. Footage of an experiment demonstrating the excellent electrical conductivity of graphite. A piece of graphite (a form of carbon) is connected to electrodes at lower centre, forming part of an electric circuit. The light bulb (right) is unlit, as there is no power in the circuit. When the power is switched on (upper left), the bulb lights up. This demonstrates that graphite conducts electricity. This is because of its layered, planar structure, with electrons free to move in space between the planes. For footage of the same experiment, with a different form of carbon called diamond, see clip K004/5709.

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Keywords: allotrope, allotropes, apparatus, carbon, caucasian, chemical, chemistry, classroom, conductive, conductivity, conductor, demonstrator, education, educational, electric, electric circuit, electricity, electrodes, element, elemental, eletrical, equipment, experiment, experimenting, graphite, hand, human, insulating, light bulb, materials science, one person, people, person, physical, physics, power pack, pupil, school science, student, studio shot, teacher, teaching, voltage, white, wires

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Electrical conductivity of graphite

K004/5708 Rights Managed

Downloadable master

Duration: 00:00:16.06

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 324.8M

Original

Capture format: Sony FS700

Codec: MPEG-2 Video

Interlaced: Yes

Please contact Science Photo Library if you require the original, or other formats.

 

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