[填空题]
(a) What is the potentiaafcjk5b:y* 0h j;s kl7povgo x:+mlb *0m7x6c h0rsy3+ c8imd is)re(l difference between points a and d in (Fig. Below a) (same circuit as Fig. Belo)bicrv0xy 6:3h+(gmsoir8eds*x + c7l0m pmow b, ), $V_{ad}$ V
(b) what is the terminal voltage of each battery?
80V battery = V
45V battery = V