An experiment involves measuring the potential difference across a diode when it
just begins to conduct.
Which of the following circuits would allow this measurement to be made?
http://upload.lsforum.net/users/public/j34923^o95.jpg
p.d. across diode
2014-05-06 8:50 pm
回答 (2)
2014-05-06 11:13 pm
✔ 最佳答案
The answer is option A.Adjust the voltage of the variable voltage source until the instant when the ammeter reading shows a "jump". This is the point where the diode begins to conduct. Then measure the corresponding voltage on the voltmeter.
2014-05-06 8:56 pm
A,C都可以，C比較簡單直接。
收錄日期: 2021-04-13 22:11:10
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https://hk.answers.yahoo.com/question/index?qid=20140506000051KK00066