basic circuit background 2(결과)
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- 2011.07.09
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소개글
basic circuit background 2(결과)
목차
1. Result
2. Discussion
3. Reference
본문내용
⑩ Why is the sensitive galvanometer used for this experiment?
The key point is that the current doesn`t flow between node C and node D. If galvanometer detects a little of current, the resistance is not valid. So through we use the sensitive galvanometer, we measure delicate current value, and we can get value that we want. By using the sensitive galvanometer, we increase the exactness of the experiment.
⑪ Why is the resister added to the galvanometer?
Sometimes a lot of current may flow from node C to node D and vice versa, the reason of adding R4 is to prevent damage to the galvanometer when S1 is closed. Also, to decrease the current between node C and node D, we add the resistor.
- About Experiment 1(Thevenin`s and Norton`s theorem)
We confirmed Thevenin`s and Norton`s theorem. At the experiment, We check the VL, and IL through change of RL. Relatively, VL is correct. but IL is incorrect.
There is lot of reason. Mainly, reason of error is multimeter.
참고 자료
① www.naver.com
② 전기전자 기초 실험 영어 최종본 version 2
③ Introduction to electric circuits (by Dorf and Svoboda) 7th edition