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A solar cell with dimensions 12cm x 12cm is illuminated at standard test conditions. The cell presents the following external parameters:\(V_{oc} = 0.8V,\, I_{sc} = 3A,\, V_{mp}=0.75V,\, I_{mp}=2.5A\) Calculate the fill factor (in %): ______

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The power output of a solar module at STC is \(250Wp\) with an area of \(2m^{2}\), while the spectrum provides \(1000W/m^{2}\) under STC. What is the total efficiency of the module in %? How much radiation power does the module receive in watts (W)? ______

The power output of a solar module at STC is \(250Wp\) with an area of \(2m^{2}\), while the spectrum provides \(1000W/m^{2}\) under STC. How much radiation power does the module receive in watts (W)? ______

By using fossil fuels, what is the maximum efficiency that you can achieve from converting chemical energy to electrical energy?Efficiency of

A. 34%
B. 49%
C. 75%
D. 90%

It is hard to get a feeling of the concepts of power and energy. To understand this better, let us look at the power and energy generated by the human body. In 1994, the Spanish cyclist Miguel Indurain set a world hour record of 53040 meters in 1 hour. Spanish scientists measured an average power of 509.5 watts produced by him during that hour. What is the energy generated by him in that hour expressed in kWh? ______

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