Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion
Discussion Forum : Electronic Devices and Circuits - Section 1 (Q.No. 14)
14.
In a p type material the Fermi level is 0.3 eV above valence band. The concentration of acceptor atoms is increased. The new position of Fermi level is likely to be
Answer: Option
Explanation:
Addition of acceptor atom brings Fermi level closer to valence band.
Discussion:
15 comments Page 2 of 2.
Nikhil said:
10 years ago
Ef - Ep = 0.3.
When the concentration of acceptor atoms increases then Ef - Ep becomes less (nearer to valence band).
When the concentration of acceptor atoms increases then Ef - Ep becomes less (nearer to valence band).
Nasrullah said:
1 decade ago
Can any body define fermi level?
Tapan said:
1 decade ago
According to you the Fermi level should be closer to the valence band but how 0.28 is closer than 0.1 level.
(1)
Rdx said:
1 decade ago
Its nearest of 0.3ev.
(1)
Nikesh Ranjan said:
1 decade ago
How 0.28eV has been calculated?
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