⑷轉角頻率？（4 分）

III. Essay writing 40%  Since the Internet became widely accessible, many on-line users, children and adults alike, have become addicted to the Internet in much the same way that others become addicted to drugs or alcohol. Moreover, after the smart mobile phones become popular, this problem is getting more serious. Nowadays, many people cannot even survive just for half a day without using their smart cell phones or notebook computers. In response to this worldwide phenomenon, write a well-organized essay of approximately 250 words to discuss or propose some solutions, if any, to this global "plague."

⑴RS大小？（4 分）

⑵RD大小？（4 分）

⑶轉換函數v o(s) / vi (s)  ？（8 分）

⑴基極電壓 VB，集極電壓 VC，射極電壓 VE？（6 分）

⑵輸入電阻 Ri？（8 分）

⑶電壓增益Av=Vo/Vs ？（6 分）

⑴負載之平均電壓值Vo？（4 分）

⑵負載之平均電流值 Io ？（4 分）

⑶二極體之平均電流值？（3 分）