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# 10 For the two drawing(s) shown:

A. Assume this sample is n-type semiconductor, draw an arrow showing

the following: (10 Points)

1) Direction of the electric field

2) What are the majority carriers

3) What is the direction of electron diffusion

4) Using the standard definition of current flow, draw an arrow showing the direction of

diffusion current

5)

Using the standard definition of current flow, draw an arrow showing the direction of drift

current

+

X

Jn(Drift)

Jn(Diff)

High Can

Excess Carriers, Diffusion and total current Assignment #4

+

Semiconductor

Low Canc

B. Assume this sample is p-type semiconductor, draw an arrow showing

the following: (10 Points)

High Cons

I

1) Direction of the electric field

2) What are the majority carriers

3) What is the direction of hole diffusion

4) Using the standard definition of current flow, draw an arrow showing the direction of

diffusion current

5) Using the standard definition of current flow, draw an arrow showing the direction of

drift current

+Il+

Fall 2023

Jp(Drift)

Jp(Diff)

Low Can

Fig: 1