“conductor”的概念、定义、翻译、参考文献-科学参考

conductor

Physics

1. A substance that has a high thermal conductivity. Metals are good conductors on account of the high concentration of free electrons they contain. Energy is transmitted through a metal predominantly by means of collisions between electrons and ions. Most nonmetals are poor conductors (good thermal insulators) because there are relatively few free electrons.

2. A substance that has a high electrical conductivity. Again conduction results from the movement of free electrons. See energy bands.

Electronics and Electrical Engineering

A material that offers a low resistance to the passage of electric current: when a potential difference is applied across it a relatively large current flows.

单词	conductor
释义	conductor Physics 1. A substance that has a high thermal conductivity. Metals are good conductors on account of the high concentration of free electrons they contain. Energy is transmitted through a metal predominantly by means of collisions between electrons and ions. Most nonmetals are poor conductors (good thermal insulators) because there are relatively few free electrons. 2. A substance that has a high electrical conductivity. Again conduction results from the movement of free electrons. See energy bands. Electronics and Electrical Engineering A material that offers a low resistance to the passage of electric current: when a potential difference is applied across it a relatively large current flows.
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