New to electronics Assigment Help - (Give a brief overview of the theory of the P-N junction diode).

Hello,

Could anyone please help, as part of my foundation degree mechanical systems engineering, I am currently working on my electronics module. As it is a distance learning degree and my first experience of electronics, I am finding it difficult to grasp. Could any one help me in any way with the following question?

P-N junction forward bias characteristics
The diagram in figure 1 provides the voltage and current measurements shown in table 1.
Figure 1
Table 1
Give a brief overview of the theory of the P-N junction diode. Plot the data generated in
table 1 using Microsoft Excel. Extrapolate the straight-line part of the graph to intercept
the voltage axis and estimate the turn on voltage for the diode tested. Can you estimate
the resistance of this diode? How does the theory relate to the experiment?
V1
D1
1N4148
XMM1
XMM2
Vd (V) Id (A)
0 0
0.1 1.04E-10
0.2 4.28E-10
0.3 1.12E-08
0.4 5.21E-07
0.5 2.40E-05
0.6 1.09E-03
0.7 1.83E-02
0.8 6.13E-02
0.9 1.14E-01
1 1.70E-01

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Don't duplicate posts it only creates confusion.

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JimB