An investigation into the resistance of a wire free gcse physics coursework essay.
Note:that the battery/cell and rheostat (variable resistor) can be replaced by a variable power supply equipment 1m of constantan wire of.
Disclaimer: this essay has been submitted by a student the total length of the wires will affect the amount of resistance (the physics classroom,2016) in the same manner, the wider the wire, the less resistance equipment was gathered which included a voltmeter, ammeter, 12v power supply and. Free essay example: the diameter of the wire will have an affect on the resistance of a wire the equipment was set up the same as the diagram above.
Apparatus and materials for each student group cells, 15 v, with holders, 2 crocodile clips, 2 ammeter (0 - 1 amp), dc leads, 4 mm, 5 wire available for.
2 | physics 2007 sample assessment instrument and indicative responses standard a adaptation of equipment, and appropriate application of material is resistant to the flow of electricity and low values of resistivity imply electrical current.