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Resistance Investigation Knowledge My prediction is correct because the more thick and shorter a wire is, the lower the resistance, this allows more current to flow but in a thin and longer wire, the resistance is too high, so heat is given off and the current is reduced. The more resistance there is in a circuit, the lower the current. Electricity from an atom Electricity comes from an atom. In an atom there are two types of electric charge. Electrons have a negative charge. Protons have a positive charge. When you switch on a light, the electricity flowing through the wires is actually a flow of electrons. A flow of electrons is called a current. The atoms in a metal are packed closely together. Electrons often change places between atoms in a metal. Energy such a battery can push electrons along. They are pushed from a negative charge and are attracted towards a positive....

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