which two statements describe reasons that semi conductors must be included in a solar cell A. they provide a path through which electrons exit the surface of the cell and never return. B. they form a zone of seperation between the glass layer and the terminal layer. C. they provide a source of electrons to be released by the photo electric effect. D. they provide a path through which released electrons move to form an eletric current
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Aman does 500 j of work pushing a car a distance of 2 m. how much force does he apply? assume there is no friction. a. 250 n b. 1000 n c. 125 n d. 500 n
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Ahollow metal sphere has 6 cm and 11 cm inner and outer radii, respectively. the surface charge density on the inside surface is −100nc/m2. the surface charge density on the exterior surface is:
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Which graph represents motion with an object with positive velocity that is located at a position of 3 meters at a time of 0 seconds? a) a b) bb eliminate c) c d) d
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which two statements describe reasons that semi conductors must be included in a solar cell A. they...
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