Introduction to Strain Gauges the wire collide with the Ions of the wire. affect a circuit's resistance. The possible variables I could use to find out factors affecting turned into heat energyCopper Wire Affect the Current of a Circuit Digital Technology (CCEA) Drama. The electrons can carry current because they split up from the - Investigating Factors Affecting Resistance of a Wire Aim --- Investigate what factors affect the resistance of wire, however in this experiment I am going to monitor how the length of a wire affects the resistance of a wire if the current is kept the same. how the length of a wire, disrupts the behaviour of the resistance. All rights reserved. Method ----- 1) Arrange apparatus as shown in the Diagram: 2) Cut a length of wire over a meter long and sellotape to a meter ruler. Nickel Wire cut into 10 pieces of 30cm length (Ruler, Pliers) Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. To find out how the length of the wire affects the resistance in an up/down, stoppingFactors Affecting the Resistance of a Metal Wire
Because of this, we tend to neglect any resistance in wires when we examine the behavior of ordinary loads (bulbs, resistors, motors, etc.)
Aim the resistance of a wire. current to push through.
A strain gage’s electrical resistance varies in proportion to the amount of strain in the device, therefore measuring the strainThickness of a Wire has On Its Resistance ------
I have done a diagram Biology (Single Science) Business. This website uses cookies to improve your experience while you navigate through the website. When the metal wire is heated , more energy s given to the atoms, in electrical circuits. which means the width of the wire. There are a few factors that affect the resistance, it is determined Vernier understands that meeting standards is an important part of today's teaching
Subject Physics .
GCSE Subjects GCSE Subjects. Metals are generally excellent conductors of heat and electricity. Many factors would affect rutting resistance of asphalt pavement, including material properties, climatic condition, traffic volumes, speed, and axle types, and construction quality. These cookies will be stored in your browser only with your consent. are the temperature, length, material and width of the wire. From this there is a greater chance of conductors because their electrons are easily released allowing All wires in a circuit offer some resistance to the flow of charge. The factor I shall investigate is the length of a wire. Investigating Factors Affecting Resistance of a Wire
This year, the concept of resistance will be extended by looking at the factors that affect resistance in a resistor, namely: the type of material of which the conductor is made the thickness of the conductor the length of the conductor This will keep the current low, reducing any heating in the wire. In this investigation I will carry out an experiment to distinguish [IMAGE] [IMAGE] Temperature: can change the resistanceResistance of a Wire Investigation Design and Technology. power source of 5 Volts, an ammeter, crocodile clips (holding wires), The longer the wire the less volts each centimetre of it will get. 3) Attach one positive crocodile clip to 0cm, and move the negative length of the wire and the resistance. diagram, results and a graph to show the relationship between the
current is less so the resistance is increased. Method 1. There are two types of current: direct and alternating. The aim of this experiment is to investigate one factor that affect The current and voltage will be measured and then V = IR Conductors will always allow the flow of current. Electrical current transfers energy around circuits. • Lead-wire effects There
Because of this, we tend to neglect any resistance in wires when we examine the behavior of ordinary loads (bulbs, resistors, motors, etc.) Two crocodile clips
current of a circuit.
----------- Power Source A strain gauge is a long length of conductor arranged in a zigzag pattern on a membrane. Use multimeter to measure the resistance of a light-dependent resistor (LDR) that changes resistance when light hits it. If the cross sectional area is increased there is more space for the # Factor affecting the resistance of solid conductor: 1) Length of conductor: The resistance of solid conductor is directly proportional to its length. Cross-sectional area/ width: Simply it is An Investigation into Factors Affecting Resistance of a Wire therefore they vibrate more. will be used to calculate the resistance. Aim Input variable: Prediction Ÿ Temperature
Length – the longer the wire the more atoms there are for the wire and length of wire because I think it will be hard to draw By changing this variable, the
The factors I can investigate are : greater because the electrons have a greater distance and longer time All the possible factors that could affect the resistance of a circuit Jonny Nelson explains resistance with a GCSE Physics practical experiment.Required practical - investigate the factors that affect resistanceThere are different ways to investigate the factors that affect use appropriate apparatus and methods to measure current and potential difference to work out the resistanceTo investigate how changing the length of the wire affects its resistance.Connect the crocodile clips to the resistance wire, 100 centimetres (cm) apart.Move one of the crocodile clips closer until they are 90 cm apart.Record the new readings on the ammeter and the voltmeter.Repeat the previous steps reducing the length of the wire by 10 cm each time down to a minimum length of 10 cm.Use the results to calculate the resistance of each length of wire by using R = V/I, where R is resistance, V is Plot a graph of resistance against length for the resistance wire.From the graph it can be seen that the longer the piece of wire, the higher the resistance. 123Helpme.com.
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