When pn junction is formed,()
A. Electron flow from p region to n region
B. Hole flow from n region to p region
C. The potential of n region is higher than that of p region
D. The potential of n region is lower than that of p region
查看答案
The depletion region is also called space charge region. ( )
The junction capacitance is caused by in-charge and discharge effects. ( )
What is the value of thermal voltage.()
A. 0.25 eV
B. 0.026 eV
C. 0.0026 eV
D. 0.02 eV
What is the relationship between the space charge width and doping concentration.()
A. No relationship
B. Proportional
C. Inverse proportion
D. Exponential
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