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conductivity
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conductivity

physics
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Category: Science & Tech
Related Topics:
superconductivity
thermal conductivity
Meissner effect
skin depth
electrical conductivity
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conductivity
conductivity
Conductivity of sound in various mediums.

conductivity, term applied to a variety of physical phenomena. In heat, conductivity is the quantity of heat passing per second through a slab of unit cross-sectional area when the temperature gradient between the two faces is unity. Electrical conductivity is the current or the quantity of electricity passing per second through a similar slab when the potential gradient is unity, and it is the reciprocal of the resistivity. In sound the conductivity of the orifice or neck of a resonator is the ratio of the area to the length of the orifice.

This article was most recently revised and updated by Michael Ray.