A.共e B.共b C.共c D.共e-b
A.473Ω、+1% B.473Ω、+5% C.47KΩ、+1% D.47KΩ、+5%
A.均為0.6~0.7V B.前者為0.6~0.7V,后者約為百mV C.前者為0.6~0.7V,后者約為幾mV~十幾mV D.視具體情況而定