When all parts of a circuit are composed of conducting materials, the circuit is said to be
a. open.
b. shorted.
c. parallel.
d. closed
a. closed.
b. parallel.
c. shorted.
d. open. when all parts of a circuit are composed of conducting materials, the circuit is said to be closed.?

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

What is the final velocity of the initial velocity of 25 and -50?

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?