Voltage: The voltage between two points is a short name for the electrical force that would drive an electric current between those points. Specifically, voltage is equal to energy per unit charge.
Current: Current is the flow of electrical charge carriers like electrons. Current flows from negative to positive points. The SI unit for measuring electric current is the ampere. One ampere of current is defined as one coulomb of electrical charge moving past a unique point in a second.
Aim: To create voltage out of a lemon.
Method:
- Roll the lemon out so the inside is liquidy.
- Stick a piece of zinc and copper into the lemon
- Connect the lemon up to a voltmeter
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