Electrical conductivity of metals
Allen, Philip B. Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York.
Last reviewed:January 2020
- Metals versus insulators
- Propagation of electrical current
- Bloch-Boltzmann theory
- Related Primary Literature
- Additional Reading
The property of a metal that measures its ability to conduct electricity, following Ohm's law. Electrical conductivity σ (measured in Ω−1 · m−1) is the reciprocal of the resistivity ρ [in Ω · m, where resistance R in ohms (Ω) is voltage drop V in volts (V) divided by current I in amperes (A)]. Ohm's law, V = IR, may also be written in the form of Eq. (1), where j
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