Close the lid connect the wires to the wire leads, and the wire leads to the multimeter as you did in Activity 1. Insert both wires from the solar cell through the hole in the top of the lid. Using a single-hole punch, make a hole in the lid next to an outer edge. Place the solar cell inside the clear plastic tray.Based on your graph, at what angle do you begin to see a significant drop in voltage output?Īctivity 2: Voltage vs.Based on your data, what is the ideal angle for incident sunlight?.Plot a graph of the data with volts on the y-axis and angle in degrees on the x-axis.Repeat steps 5 and 6 for angles of 40° and 20° and record the voltage.Make sure the light illuminates the middle of the solar cell. Place the flashlight at the top of the ruler align with ruler.Move the ruler left to 60°, keeping it against the table surface.Record the voltage reading to the nearest 0.01 V in Data Table 1.įigure 2 Protractor in front of solar cell with 12" ruler. Make sure the light shines directly on the middle of the solar cell (see Figure 2).
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