A resistance Investigation

PLANNING: Aim:         To find out the affect on the resistance of authentic cables when a variable is changed. Are shorter, fatter cables or longish, thinner telegrams scoop out for transferring the energy per second in the context of designing a heating element?          investigating 1)                  To find out how the duration of the wire affects the resistance of the wire.          investigating 2)                  To find out how the diameter of the wire affects the resistance of the wire. presage:         Investigation 1)                  I predict that as the wire increases in length the resistance ( impact of particles causing a pass in velocity for the moving particle) depart increase, I believe this will happen because on that point are thousands of electrons and ions in the wire, when the voltage is applied, the negative ele ctrons move through the wire whilst the despotic ions stay in the same position. The electrons are attracted to the positive final of the battery, the electrons move so that they collide with the ions and the sides of the wire whilst moving on through the wire. The electrons which are commoveed around by the voltage (force push button electrons around the circuit); this causes the electrons to collide, to slow down the velocity of the catamenia (movement of electrons) within the wire. This makes me figure that if the wire is longish, and thinner the resistance will be a lot great than if the wire was shorter and thicker. The longer the wire the more ions there are throughout the wire so the moving electrons will flummox a greater collision rate with the ions and the side of the wire, therefore increasing the resistance. The longer the wire the more ions there are for the electrons to collide with, which agent that there will be more resistance.

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