In the present we have a lot of electronics that making it convenient
for us. But electronics without electric current can’t make
us comfortable. So I find some battery from nature to make an electric current.
I search information from internet and found that potato can make an electric
current. But I wonder how this be real?
Hypothesis : potato can make an electric current
Experiment :
1.
Prepare an equipment
-
Potato ball
-
Sheet of Zinc to be an
Anode pole
-
Sheet of Copper to be an Cathode pole
-
Wine to transfer an
electron between Anode and Cathode poles to multimeter
-
Multimeter for measure a current
2.
Cut the sheet of zinc and sheet of copper to the width is 2 cm. long 5 cm.
3.
Drill down zinc and copper form2 into the potato
4.
Connect zinc and copper to Multimeter
5.
Observe and collect data
Result
: After I did this experiment
I found that potato can’t make an electric current but it can make a voltage like
battery. Why potato can make an electric current?
I will explain about battery. In
battery have 3 essential components.
1. The Anode is the
reducing electrode that releases electrons to the external circuit and oxidizes
during and electrochemical reaction.
2. The Cathode is the
oxidizing electrode that acquires electrons from the external circuit and is
reduced during the electrochemical reaction.
3.
Electrolyte is an intermediate compound in the electron exchange
between the anode and cathode Pole. Most of which are in the liquid state, such
as water or other solvents, with dissolved salts, acids, or alkalis that are required
for ionic conduction.
If you have a resistor connect with this circuit, It will
make an electric current
Back to the experiment
·
Anode is zinc because zine is efficient reducing
agent
·
Cathode is copper because copper is efficient
oxidizing agent.
·
Potato is electrolyte because
in potato is solvents so it can exchange electron between zinc and copper
·
We use Multimeter to observe the voltage when we do an
experiment.
Chanon Sitsumeth No.3
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