35. Consider the circuit in the Figure and assume the battery has no internal resistance. Just after the switch is closed, what is the current in the battery? 
(A) 0
(B) ε/2R
(C) 28/R
(D) ε/R (Ε) ε/3R
答案:登入後查看
統計: A(0), B(0), C(3), D(0), E(0) #3421230
統計: A(0), B(0), C(3), D(0), E(0) #3421230