10.0 Ohm's law.pdf - Ohm\u2019s law Paul Mac Alevey \u00a9 Spring 2020 Purpose Ohm\u2019s law \u2022 To show that the observation called Ohm\u2019s law holds for

10.0 Ohm's law.pdf - Ohmu2019s law Paul Mac Alevey u00a9...

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Ohm’s law Paul Mac Alevey © Spring 2020 1 Ohm’s law Purpose To show that the observation called Ohm’s law holds for resistors To verify formulae for single resistances that are equivalent to resistors in series and in parallel To examine the effect of ‘grounds’ Equipment Resistors of approximately 8.2 kΩ, 27 kΩ and 100 kΩ that are attached to dual binding-posts 2 Digital Multi-meters 3 pairs of short banana-to-banana leads (stackable) 1 pair 36 inch banana-to-banana leads (stackable) DC power supply Verify that you have all of the equipment listed. Notify your TA if anything is missing. Introduction
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Ohm’s law Paul Mac Alevey © Spring 2020 2 Resistor Color Codes R Resistors often have four colored bars. The tolerance bar is separated from the others. The resistor should be held so that this bar is at the right. The tolerance bar is gold in the diagram above. The colors of the first three bars on the resistor give the (nominal) resistance of the resistor as follows: Black 0 Brown 1 Red 2 Orange 3 Yellow 4 Green 5 Blue 6 Violet 7 Gray 8 White 9 tens exponent f T units Tolerance bar
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