試題詳解

13. As shown in the right figure, take &0 = 24 V, R₁ =6.0 , R₂ = 12, and R₃ = 3.0Ω. Write the current I₁ for a long time after the switch is closed.

(A) 1.7 A
(B) 2.9 A
(C) 3.7 A
(D) 4.3 A
(E) 5.5 A R3