【单选题】A young girl wishes to select one of the frictionless playground slides illustrated below to give her the greatest possible speed when she reaches the bottom of the slide. Which of the slides illustra...
A.
Slide 1
B.
Slide 2
C.
Slide 3
D.
Slide 4
E.
It doesn’t matter, her speed would be the same for each slide
【单选题】When the illustrated circuit uses the current source Is and the conductance Gs in parallel as an equivalent circuit, the Is and Gs values are___________ respectively. Choose A,B,C or D.