AL electric circuit(2)

2011-02-02 7:57 am

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In the above circuit, the d.c. supply has an e.m.f. of 9V and its internal resistance is negligible. V1, V2 and V3 are three voltmeters with the same finite internal resistance, If V1 reads 4V, find the reading of V3 and the potential difference across resistor R.

回答 (1)

Andrew

2011-02-02 9:32 am

✔ 最佳答案

Here is the solution:

圖片參考：http://i187.photobucket.com/albums/x22/cshung/7011020101541.png

參考: http://en.wikipedia.org/wiki/Kirchoff's_current_law

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