✔ 最佳答案
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Calculate the equivalent resistance across (i)AB, (ii)AD and (iii)BD.
AB = 4Ω
AD = 3.44Ω
BD = 2.57Ω
If a p.d. of 16V is applied across AC, find the current through the 3Ω ressitor.
0A
2010-12-29 19:32:09 補充：
Because A ~ C is short circuit
2010-12-29 22:18:25 補充：
AB
1 = 10Ω + 10Ω = 5Ω ( AD & CD )
2 = 5Ω + 3Ω = 8Ω ( A - D - B )
3 = 8Ω + 8Ω = 4Ω
2010-12-29 22:19:24 補充：
AB
1 = 10Ω + 10Ω = 5Ω ( AD & CD ) 並聯
2 = 5Ω + 3Ω = 8Ω ( A - D - B ) 串聯
3 = 8Ω + 8Ω = 4Ω 並聯
2010-12-29 22:24:26 補充：
AD
1 = 8Ω + 3Ω = 11Ω ( C - B - D )串聯
2 = 10Ω + 10Ω + 11Ω = 3.44Ω ( A-D + C-D + C-B-D )並聯
2010-12-29 22:25:43 補充：
那麽 B-D 就試試自己算，不可以再問，我不想害人。
