Positive SSL
    14.素養(4)
1 R1與R2兩電阻並聯,已知流過兩電阻之電流分別為IR1=6A,IR2=2A,且R1=5Ω,則R2電阻消耗功率為何? 101 統測
A 60W
B 80W
C 100W
D 120W

並聯電壓V 相同:V = 6×5=30V

PR2=30×2=60W