UNO

Most popular questions and responses by UNO
  1. Solar Energy please help

    Solar simulators are used to study the performance of solar cells in the lab. In the figure below (left picture), the spectral power density of a solar simulator is shown with the blue line. The spectral power density of this solar simulator is given by:

    asked on November 29, 2013
  2. Solar energy please help

    1-Consider an organic solar cell consisting of a TiO2 semiconductor with an ionization energy 7.8eV and a polymer with an electron affinity 3.4eV. Which of the followning band diagrams corresponds to the organic solar cell. The band gap of TiO2 is 3.5eV.

    asked on November 29, 2013
  3. TRIPLE JUNCTION SOLAR CELL - I

    The figure below presents the EQE of a triple junction solar cell with junctions A, B and C under short circuited (V = 0 V) condition. EQE table is: A: EQE = 0.7 wavelength= 300 to 650 nm B: EQE = 0.9 Wavelength= 650 to 850 nm C: EQE = 0.8 Wavelength= 850

    asked on November 23, 2013
  4. Solar Energy Please Help

    Consider a PV module with the following parameters as measured at STC (Standard Testing Conditions): Voc = 55 V; Isc = 5 A; Impp = 4.7 A; Fill Factor = FF = 75% ; Efficiency = 19.75%. Suppose that under normal operation at STC conditions, the module is not

    asked on November 24, 2013
  5. economics

    Gasoline and beer are monopolistic competition. But why the prices of gasoline always changes while beer's price is constant?

    asked on March 8, 2010
  1. The Giver

    ^-^

    posted on May 5, 2016
  2. Solar Energy Please Help

    d) Which of the following statements is TRUE? 1-Junction C acts as the top cell, 2-Junction B as the middle cell, and 3-Junction A as the bottom cell. Junction B acts as the top cell, Junction C as the middle cell, and Junction A as the bottom cell.

    posted on December 2, 2013
  3. Solar Energy Please Help

    Please answer e,f,g,h

    posted on November 29, 2013
  4. Solar Energy Please Help

    Thanks sat it´s correct the first one

    posted on November 29, 2013
  5. Solar Energy Please Help

    Thanks Onix and sat

    posted on November 29, 2013
  6. Solar Energy

    Ken please help

    posted on November 24, 2013
  7. Solar Energy Please Help

    Thanks Ken

    posted on November 24, 2013
  8. Solar Energy Please Help

    The figure below presents the EQE of a triple junction solar cell with junctions A, B and C under short circuited (V = 0 V) condition. EQE table is: A: EQE = 0.7 wavelength= 300 to 650 nm B: EQE = 0.9 Wavelength= 650 to 850 nm C: EQE = 0.8 Wavelength= 850

    posted on November 23, 2013
  9. Solar Energy

    a:200 b:220 c:?? d:3 e:?? f:??

    posted on November 22, 2013
  10. Solar Energy Help ASAP

    Solar simulators are used to study the performance of solar cells in the lab. In the figure below (left picture), the spectral power density of a solar simulator is shown with the blue line. The spectral power density of this solar simulator is given by:

    posted on November 22, 2013
  11. Solar Energy

    Please Rata can you correct the answer?

    posted on November 22, 2013
  12. Solar Energy

    Any one know the answer?

    posted on November 22, 2013
  13. Solar Energy

    Please help

    posted on November 22, 2013
  14. Solar Energy Please Help

    PLEASE HELP

    posted on November 22, 2013
  15. Physics

    Hey, Do your homework. Look at your notes and read the book. We are watching you. Dr. C will not be happy.

    posted on February 22, 2013