呢條數點計(關於電路)

2010-03-19 3:08 am
http://i926.photobucket.com/albums/ad110/alantse30/2482/Image_00124.png

(a) The value of load resistance R(L) to achieve maximum power transfer;
(b) The power dissipation at the load resistance at maximum power transfer.

回答 (1)

2010-03-20 4:53 pm
✔ 最佳答案

圖片參考:http://i926.photobucket.com/albums/ad110/alantse30/2482/Image_00124.png


答案 :
RL =
= 4Ω
= 0.4A
= 1.6V
= 0.64W







2010-03-20 09:04:19 補充:
計錯數咗,一個唔小心計到電源係12V

2010-03-20 09:10:04 補充:
如果 RL = 4Ω 電源 = 10V
總電流 = 0.66666667A
RL 電流 = 0.33333334A
RL 電壓 = 1.33333336V
RL 功率 = 0.44444446W


收錄日期: 2021-04-25 20:38:47
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