You find a featureless black slab. there are two arms marked in and out. you find that moving the in arm 20 inches causes the out arm to move 5 inches. you find that a 10 lb. pull on in lifts 30 lbs. on out. what is the ama? a. 1
b. 4
c. 3
d. 1/3

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter

Which of the following statements correctly describes a transformer?