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Conductors, Semiconductors and Insulators | Intrinsic Semiconductors | Physics | Class12

2,413 views · Published 25 September 2018 · 5:59 · Indexed 25 September 2026

Channel: Aasoka · 2018 · Education

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Through this video, you will learn that : 

Conductors, insulators and semiconductors differ on the basis of:
• Electrical conductivity
• Energy bands
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On the basis of electrical conductivity:
• Conductors are solids with high conductivities.
• Insulators have very low conductivities.
• Semiconductors are solids with intermediate conductivities.

On the basis of the energy band:
•In conductors, the valence and conduction bands overlap.
•In insulators, there is a wide energy band gap between the valence band and
the conduction bands.

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