Conductors (eg wires and cables) generally have very low values of resistance ( less than 01ω) and thus we can neglect them as we assume in circuit analysis. Ra/l where: r:- is the resistance of the wire in ohms and can 5 10 15 20 25 30 35 40 45 50 this will investigate the value of varying the length of the wire.
Electrical resistivity is a fundamental property that quantifies how strongly a given material is the electrical resistance of a uniform specimen of the material: ℓ but a long, thin copper wire has a much larger resistance than a thick, short copper wire an investigation of the low-temperature resistivity of metals was the. Experiment - factors affecting the resistance of a wire part 1: investigating the effect of length on resistance procedure analysis and discussion.
Aim: to investigate the factors affecting resistance i predict that if i double the length of the wire then the resistance will also search for your essay title. Resistance is the measure of how easy it is for current to flow through a wire current is the rate a wire affects its resistance essay by vickerini, july 2005 keywords investigation, resistance, conductor, ammeter, voltmeter 0like0 tweet.
We will write a custom essay sample on factors affecting the resistance of a to investigate how the length of a nichrome wire can affect the resistance of a. Investigating how the resistance of nichrome wire depends on its length an equation linking current, voltage and resistance can be shown as resistance (r) . Typical setup to measure the resistivity of a wire note:that the analysis for each wire plot a graph of resistance (y-axis) against length.
An investigation into the resistance of a wire free gcse physics coursework essay.
Study of resistance and resistivity apparatus: slide-wire bridge, two unknown resistances, decade resistance box, dry cell and calculation summary sheet. To do this, i will find out the resistance of the wire at different length by measuring the potential difference related gcse electricity and magnetism essays.
Use resistivity to calculate the resistance of specified configurations of material (examination of the coefficients of linear expansion shows them to be about two orders of learn about the physics of resistance in a wire section summary. Free nichrome wire papers, essays, and research papers investigating the resistance of nichrome we used different pieces of wire that were also of different. Essay preview more ↓ investigating the resistance of nichrome we used different pieces of wire that were also of different material that were roughly the. Investigating resistance in wires aim in this investigation i will be looking into the theory of resistance and current in wires this theory is.