how does the thickness of a wire affect resistance experiment

When a full circuit is created (i.e. For this we needed potential difference and current. 685  Words | How Thickness and Length Affect the Resistance of a Wire I plan to investigate how the length and thickness of a wire affects the resistance. In this piece of Coursework I am going to investigate the resistance in a piece of wire. Volt, Ohm's law, Electrical resistance 1674  Words | thicker wire in (4) has a lower resistance than the thinner wire in (3). Voltage or Potential Difference measures how much energy individual electrons have to use up as they go around a circuit. 3  Pages. In a sense, we can think of the electrons moving down in ‘lanes’, slope across the width of each slope (the cross-sectional area of each wire). Premium past a line. This is measured in how many electrons per second or the charge they are carrying go round the circuit (amps or amperes) As in any scientific experiment, there are always variables ( "likely to change or vary subject to variation; changeable." Aim: 3 factors affecting wire resistance Coursework - Resistance of a Wire Coursework To measure how the length of a wire affects the amount of resistance when an electrical current is passed through it. The light was the same for each wire. Premium INTRODUCTION The temperature of the conductor. How the Length of a Wire Affects Its Resistance How Does The Diameter Of Wire Affect The Resistance In A Circuit? A thicker wire simply has more ‘lanes’ on the go at once. 3  Pages. Introduction: Some metals such as copper, silver and gold are very good conductors of electricity. I did a science project with the question does the thickness of the wire affect the brightness of the light bulb. What are the 3 factors that affect resistance? The A higher current for a given voltage means a lower resistance. When electrons move through a resistor they collide nwith stationery particles in the resistor. INTRODUCTION There are factors which can affect how accurate our expriment is come on four levels. What are the 4 factors that affect resistance? I will investigate the resistance of a wire in relation to its length. Electric current, Ohmmeter, Electrical measurements 1394  Words | 6  Pages. Introduction Metallic bonding. Premium Resistance is measured in ohms. Resistance is measured in Ohms. Premium In this electric field the free electrons are not however under continuous acceleration (Ee/m). Don’t waste Your Time Searching For a Sample, Get Your Job Done By a Professional Skilled Writer. A current is a flow of negative electrons around a circuit or electrical pathway. in the thicker wire (although per unit area, of course, each wire carries These collisions cause the resistor to heat up this can therefore change it’s resistence. My method of approaching this investigation has been fairly good, as seeing my results I can confidently suggest that as the length of wire increases so will it’s resistance. also offered here. This is because the free electrons in the wire bump into more atoms, thereby making it … Investigation: how the resistance in a circuit varies with the length, thickness and type of wire Premium An LDR changes it’s resistance depending on how much light there is eg: In Bright light the resistance falls In darkness, the resistence is highest Thermistor( Tenperature-Dependent Resistor) A thermistor is similar to an LDR but it’s resistance depends on temperature eg: In hot conditions the resistance drops In cool conditions the resistance goes up There are some factors that affect the resistance: Legnth Of Wire: The longer the wire is, then larger it’s structure is meaning more positive ions, therefore creating more collisions between positive metal Ions and free vibrating electrons which creates more resistance. Resistance and thickness of wire (cross-sectional area). This is measured in, StudyMode - Premium and Free Essays, Term Papers & Book Notes. Therefore a temperature controlled room would improve the reliability of my results. Hypothesis: For a fixed length of a conducting wire, the thicker the wire, the smaller the resistance. Premium  Type the same current). The objective for my coursework (as already stated above) is to investigate, starting of with 1m length and then decreasing it by 0.10m intervals down to 0.20m long. I may also change the length of the wire (e. g. : increase by 5cm) to ensure that my prediction of whether the length for wire and resistance are in proportion and if my pattern is accurate and reliable, also to what extent they are reliable. of wire, made of the same material, but one wire is thicker than the other. 7  Pages. There are 4 different factors which affect resistance: The type of material of which the resistor is made. Prediction I predict that as the length of the wire decreases so will the resistance. The smaller the range bars are the more accurate my results are and the bigger my range bars are the less reliable my results are. with each ‘lane’ carrying the same number of electrons per second I will use the same wire for all my measurements. The vibrating atoms having gained this kinetic energy now vibrate more. He called this 'RESISTANCE.'  Thickness Premium A circuit where the resistance of each part is not the same. 1692  Words | The total length of the wires will affect the amount of resistance. Non-metals, however, do not have free electrons, so even non-metals that only have one electron on their outer shell can still hold onto them tightly. Another way I could improve my experiment is by keeping the temperature constant in possibly a thermostatic room, higher temperature= higher resistance this means that the temperature of the room I was in was less reliable as it could have gone up or down during my experiment. Aim. At 20cm I seem to have an anomaly as my range bars are huge this means that I did something wrong with my experiment at 20cm. Factors affecting the resistance of a wire Factors affecting resistance This means that they need only a tiny amount of energy in order to allow the electron to move. Compare two circuits with batteries of the same voltage, with the same length What is an electrical current This is because they all have only one electron on the outer shell. But this does not affect the speed. (435). The thicker wire in (4) has a lower resistance than the thinner wire in (3). There is a higher current Introduction: How Does The Thickness Of A Wire Affect Its Resistance. Does the Resistance of a Wire depend on its Thickness?.  Length of wire The longer the wire the higher the resistance, The Resistance Against Antibiotic Resistance, The Stanford Prison Experiment was a social psychology experiment that tried to, Ask Writer For The wire will be in use the hole time through out the experiment. Ohms law says the more resistance means more energy is needed for the current to... Free The graph which I have done has a nice line of best fit with equal plots on both sides showing that my experiment was pretty reliable.

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