Making Batteries from Salak

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There might be interested to try. This experiment was made by Sutikno, teachers SMPN 2 Wanadadi Central Java and presented at the Competition of Science Teachers (LKIG) 2008 Indonesian Institute of Sciences (LIPI). Sutikno said the battery voltage bark can produce 0.56 volts.

Material:

Salak fruit, water, zinc as the negative pole, and copper as the positive pole.

How it works:

Fruits blended with 200 grams of water by comparison: 200 ml, then poured into half a glass of mineral water. Zinc and copper measuring 5 cm each of which has been associated with conductive wires and then inserted into a glass. Measure the voltage with a multimeter. Create more bark juice up to three glasses for 1.5-volt and six glasses for 3 volts. Glasses of juice containing the diserikan barked until the voltage accumulative.

The experimental results Sutikno:

When measured with a digital multimeter, multimeter shows the resulting voltage 0.56 volts even when tested again by Sutikno, had reached the figure of 0.6 volts. Sutikno, said voltage generated by this bark juice to turn the calculator voltage 3 volt or 1.5 volt digital clock. In his presentation, the jury praised the findings and provide input for Sutikno Sutikno sharpen his research as by measuring levels of acidity and electrons to find out what factors are most influential.

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