三個電阻並聯後電壓相等,利用歐姆定律求出電流 15//10=1515×+1010=6Ω RBC=6//3=66×+33=2Ω VBC = 15× 2 =30V ⇒ I 1 = 1530=2A 30 = 30 I2 = 10 3A I3 = 3 = 10A 3-9 ...
確定! 回上一頁