... is the area of solar cell. I would have to change the card placements which I will use to cover the solar cell at the same measurements every time. I will change the length of the card each time from 100%, 75%, 50% and 25%. The following factors that are going to be kept constant are:- 1. The distance from the lamp to the solar cell - if this is changed it will affect the number of photons hitting the solar cell for each reading. 2. The positioning of the lamp - if this is changed; it could also affect the number of photons hitting the solar cell for each reading. The lamps must point at the solar panel only. 3. The time - this, would have to be accurate i.e. not leave the solar panel under the lamp for too long or it could affect the temperature and the intensity of the ...

See this essay or coursework document in full right now