Physics, 26.03.2020 20:38 ninaaforever
A solar cell generates a potential difference of 0.25 V when a 550 Ω resistor is connected across it, and a potential difference of 0.31 V when a 1000 Ω resistor is substituted. What are the (a) internal resistance and (b) emf of the solar cell? (c) The area of the cell is 4.0 cm2 and the rate per unit area at which it receives energy from light is 5.5 mW/cm2. What is the efficiency of the cell for converting light energy to thermal energy in the 1000 Ω external resistor?
Answers: 3
Physics, 21.06.2019 14:00
Hurry click the links to open the resources below. these resources will you complete the assignment. once you have created your file(s) and are ready to upload your assignment, click the add files button below and select each file from your desktop or network folder. upload each file separately. your work will not be submitted to your teacher until you click submit. documents lab report guide file upload accepted file types: .ppt, .pptx, .xls, .xlsx, .doc, .docx, .zip, .pdf, .accdb, .msg delete all add files
Answers: 2
Physics, 22.06.2019 06:30
How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n
Answers: 1
Physics, 22.06.2019 17:00
Air conditioners not only cool air, but dry it as well. suppose that a room in a home measures 5.0m×9.0m×2.4m . if the outdoor temperature is 30 ∘c and the vapor pressure of water in the air is 85 % of the vapor pressure of water at this temperature, what mass of water must be removed from the air each time the volume of air in the room is cycled through the air conditioner? the vapor pressure for water at 30 ∘c is 31.8 torr.
Answers: 3
Physics, 22.06.2019 18:20
Object a has a length of 3 cm, a width of 2 cm, and a height of 4 cm. object b is dropped into a graduated cylinder. it displaces 19 ml of water. the volume of object a is: a: greater than the volume of object b b: less than the volume of object b c: equal to the volume of object b
Answers: 2
A solar cell generates a potential difference of 0.25 V when a 550 Ω resistor is connected across it...
Biology, 25.09.2019 00:30
Biology, 25.09.2019 00:30
Mathematics, 25.09.2019 00:30
English, 25.09.2019 00:30
Health, 25.09.2019 00:30
Mathematics, 25.09.2019 00:30
Health, 25.09.2019 00:30
History, 25.09.2019 00:30
History, 25.09.2019 00:30
Mathematics, 25.09.2019 00:30
Physics, 25.09.2019 00:30