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Carbon , silicon and germanium have four...

Carbon , silicon and germanium have four valence elcectrons each . These are characterised by valence and conduction bands separated by energy band - gap respectively equal to ` (E_g)_(c) (E_g)_(si) ` and ` (E_g)_(Ge) `. Which of the following statements ture ?

A

`(E_(g))_(Si) lt(E_(g))_(Ge)lt(E_(g))_(C)`

B

`(E_(g))_(C)lt(E_(g))_(Ge)gt(E_(g))_(Si) `

C

`(E_(g))_(C)gt(E_(g))_(Si)gt(E_(g))_(Ge) `

D

`(E_(g))_(C)=(E_(g))_(Si)=(E_(g))_(Ge) `

Text Solution

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To determine which statements about the energy band gaps of carbon, silicon, and germanium are true, we can analyze the information provided in the question and the video transcript. ### Step-by-Step Solution: 1. **Identify the Valence Electrons**: - Carbon, silicon, and germanium each have four valence electrons. This is a key characteristic that influences their electrical properties. 2. **Understand the Concept of Energy Band Gap**: ...
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