How the length of a wire affects its resistance in my physics coursework i am going to investigate the effect of the length of a wire on its resistanceresistance is the measure of how easy it is for current to flow through a wire. How the length of a wire affects its resistance in my physics coursework i am going to investigate the effect of the length of a wire on its resistance resistance is the measure of how easy it is for current to flow through a wire. Investigating the effect of length on resistance is common but some students may wish to investigate the effect of the thickness of wire in either case, different wires should be made of the same material.
How the length of wire affects its resistance - sample essay introduction- in our investigation we are trying to find out that what are the factors which effect the resistance of a resistance wire through textbooks and information from the internet i have identified these factors. This first report in physics will show the investigation of how the length of a wire affects its resistance for starters i will go through the main definitions, to get a better knowledge of what is going to happen. The objective for my coursework (as already stated above) is to investigate how changing the length of wire can affect the resistance there are factors which can affect how accurate our expriment is come on four levels. There are four factors that affect the resistance of a wire: resistance is proportional to length if you take a wire of different lengths and give each a particular potential difference across its ends.
The higher the temperature of a conductor, the higher its resistance due to the high values of potential difference and current if a thin wire in a lamp tends to resist the movement of electrons in it, then we say that the wire has a certain resistance to the current. Resistance and thickness of wire (cross-sectional area) compare two circuits with batteries of the same voltage, with the same length of wire, made of the same material, but one wire is thicker than the other. It looks like you've lost connection to our server please check your internet connection or reload this page. How the length of a wire affects its resistance 1397 words | 6 pages how the length of a wire affects its resistance in my physics coursework i am going to investigate the effect of the length of a wire on its resistance resistance is the measure of how easy it is for current to flow through a wire.
Length of wire (cm) number of experiment 1 2 3 resistance by looking at my results i came to the conclusion that my little theory was 'the longer the piece of wire the smaller the resistance' true but that wasn't the end of my test. The more material that current must pass through, the more resistance external factors that increase resistance or impedance are ambient temperature, power quality issues (harmonics, reflected sine waves, phase imbalance), and other electrical conductors and devices. Resistance is the measure of how hard it is to get a current through a component in a circuit at a particular potential difference varying the resistance in the circuit can control the current through a circuit.
In my physics coursework i am going to investigate the effect of the length of a wire on its resistance resistance is the measure of how easy it is for current to flow through a wire current is the rate of flow of charge through a conductor, and it is measured in amps using an ammeter. Resistance increases with length because the electrons have further to go, so suffer greater collisions with atoms in the materiallook at these wires: electrons moving through the short wire only feel resistance for a short time compared to the longer one. - investigating the resistance of a wire resistance of a wire task to investigate how the resistance of a wire is affected by the length of the wire theory ====== what is resistance electricity is conducted through a conductor, in this case wire, by means of free electrons.
Originally answered: how does the resistance of a wire depend on its length there is a formula which defines the resistance (r) of a wire which is defined r = pl/a p is the specific resistance of the wire material, l is the length of wire and a area of cross section of wire. Resistivity and conductivity the electrical resistance of a wire would be expected to be greater for a longer wire, less for a wire of larger cross sectional area, and would be expected to depend upon the material out of which the wire is made. Preliminary work: find out which wire is the best insulator main experiment: how does the length of wire affect its resistance ohms law: electric circuits are designed to transfer just sufficient energy to operate the components in the circuit.