How to study-Use knife to slash both sides with lemon put zinc on one side. One put a sheet of copper, do this with lime 4 ball.-Bring the power cord clip and clamp one end of the copper plate with zinc on another side the same ball. By bringing the ends of the cord clip from clip to clip, zinc sheet, sheet copper of one another. The ends of the cord clip from clip to clip, zinc, copper plates, with one child. Do this until you have 4 balls (serial to add electric potential difference).-By removing the red line of the multimeter by the anode (the cable that goes from the copper plate of lemon) and the black wire of the multimeter by the negative (the cable that goes from the Zinc plate) reading.-Bring the power cord form the clamping clip on one side, with copper comes with bulb clip positive (than) Wired in the clamping section is one of the top clamp to clamp to the negative pole of the zinc lamp (with shorter lengths). -Record the results of the experiment.-Test the same fruit and guava-Comparison of the experimental results with lemon-Lemon-The star-Gum-Multimeters
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