I.Introduction: The voltage acquit (V) across and electrical component of impedance (R) that has a current (I) by it is given by V = I R. By varying the current through a resistor, one can measure the changes in the voltage drop across the resistor. Once the data is acquired, a graph in a linear plot will be the surpass to interpret the given information.
II.Materials: Six AAA batteries, multimeter, and aelectrical kitIII.Procedure: 1) Wire the roofy with the giveninstructions from the manual.
2) Receive assurance from the instructor that thecorrect assembly is used.
3) Turn on the multimeter (start at low-spiritedestsensitivity).
4) Increase the voltage and measure data5) Create a data table, diagram, and/or graphthat displays the resistance.
IV.Results:Voltage: 9 voltsResistance: 18 ohmsCurrent: 0.5 amperesV.Anlaysis and refinement: V/R= I R/R I = V/RI = 9 volts/ 18 ohmsI = 0.5 amperes cardinal ohm is the resistance value through which onevolt will maintain a current of one ampere.
Resistors atomic number 18 used to control voltage and currentlevels. A very graduate(prenominal) resistance allows a smallamount of current to flow.
A very low resistanceallows a large amount of current to flow.
VI.Extension and Application: workaday one can see the application of ohm?s law. One in particular that is seen more often as when on a way home is a light-emitting diode (LED). Because of their extreme point durability, they have become the choice in high-reliability applications which can be seen in traffic lights, emergency exit signs, and brake lights.
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