3 Questions
What is the temperature coefficient of resistance for conducting materials?
Positive
What is the characteristic of the energy gap between conduction band and valence band in conductors?
There is no forbidden energy gap
Why do metals work as good conductors of electricity?
Due to the random movement of free electrons
Study Notes
Temperature Coefficient of Resistance
- In conducting materials, the temperature coefficient of resistance is positive, meaning an increase in temperature increases the resistance.
Conductor Energy Gap
- In conductors, there is no energy gap or a very small energy gap between the conduction band and valence band.
Metals as Conductors
- Metals work as good conductors of electricity because their atoms have a "sea of delocalized electrons" that can move freely, allowing the flow of electric current.
Test your knowledge about conductors and electrical conductivity with this quiz. Learn about materials that are good conductors of electricity, the behavior of free electrons in a conductor, and the characteristics of conducting materials.
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