Transcription of Experiment 15: Ohm’s Law - University of Mississippi
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Experiment 15: Ohm’s Law - University of Mississippi
Experiment 15: Ohm s LawFigure : Simple Series CircuitEQUIPMENTU niversal Circuit BoardPower Supply(2) DMM s150 Resistor (R1)330 Resistor (R2)560 Resistor (R3)Miniature Light Bulb and Socket (R4)(1) Jumper(6) Wire LeadsFigure : Schematic: Simple Series Circuit7980 Experiment 15: Ohm s LawAdvance ReadingText: ohm s law , voltage, resistance, Manual: Appendix B,Appendix C-DMMO bjectiveThe objective of this lab is to determine the resistanceof several resistors by applying ohm s law . Studentswill also be introduced to the resistor color code andrefresh their graphing s law states that the current,I, that flows in acircuit is directly proportional to the voltage,V, acrossthe circuit and inversely proportional to the resistance,R, of the circuit:I=VR( )In this Experiment , the current flowing through a resis-tor will be measured as the voltage across the resistoris varied. From the graph of this data, the resistance isdetermined for Ohmic resistors (Ri,i= 1, 2, 3).
power supply to the circuit. Connect a voltmeter to the circuit, across the power supply leads (in paral-lel). 7. Have your TA check your circuit. Plug in the power supply and turn it on. 8. Test Ohm’s Law (V = IR) by verifying that the current increases linearly with applied voltage. Ap …
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