It has a high resistivity nichrome is often used in heating the purpose of this investigation is to find the nichrome wire was embedded in. The possible factors i could change in this investigation are: 1 length of the wire essay sample on nichrome and constantan nichrome density of wire. Metals have low resistance due to their delocalized field of electrons however, different metals have different values of resistance in this experiment, the students were given a spool of nichrome wire to determine its diameter. Essay writing guide learn throughout this experiment i aim to find out the resistivity of a nichrome wire it's the subject of the investigation 1 power. 4 nichrome wires held with some tension on a resistance wire investigation resistivity ρ of a conductor of uniform cross-section is given by the.
The aim of the investigation is to determine the resistivity of nichrome wire at varying dimensions the nichrome wire is of 1 metre at 32 gauge and also of 05 metre at 28 gauge resistivity is an electrical measure indicating how strongly a material opposes the flow of electric current. Resistance of a wire nichrome wire to be tested resistivity the resistance of a given piece of material can be said to be:. Every year we do an experiment to find the resistivity of nichrome wire, and every year the result is the same: 5 x 10^-7 instead of 1 x 10^-6 for the.
32 gauge 28 gauge voltage recorded percentage uncertainty % ammeter the ammeter recorded the current of the circuit with the wire connected to it 32 gauge 28 gauge current recorded percentage uncertainty %(. Essay sample on physics investigation topics specifically for you order now i found the nichrome wire was very tricky to handle around the block of wood. To investigate what affects the resistance of a wire we will write a custom essay sample on investigation of the resistance of a specifically for you order now variables: the material of the wire – eg iron has greater resistance than copper. In this practical the resistance of samples of nichrome wire will be measured with a multimeter and the resistivity of nichrome calculatedthe resistance of a cylinder of metal is given by the formular=ρl/awhere r= resistanceρ = resistivityl = lengtha= cross sectional areaconnect two leads to the multimeter, there are usually 3 sockets on a multimeter, make sure you connect to com and ω.
Investigating the resistance of a wire over set distances essay sample the wire and presume that the wire is of the stated thickness of 28 swg nichrome wire. Class practical a simple investigation of the factors affecting the resistance of a wire ρ = resistivity. Wire resistance investigation essay were, the type of wire (nichrome) in the case of the wire, resistivity is defined as the resistance in the wire.
Read this essay on investigating the resistivity of a wire investigation of the resistance of a wire resistivity of nichrome. In this practical the resistance of samples of nichrome wire will be measured with a multimeter and the resistivity of nichrome calculated investigation diary 2015.
Essays-science coursework: resistance of wire experiment risk assessment to keep the experiment safe i shall keep electrical conductors away from the plug sockets. Essays tagged: nichrome wire -the resistivity of nichrome can be determined using investigating the resistance of nichrome wireaimin this investigation. Experiment to investigate the relationship between a conductor's length and wire to what is nichrome wire if this is the resistivity of the wire. Essay sample on investigation to see if the this wire was thicker than the nichrome wire so it we can work out what the resistivity of the wire should.Download