BasicCircuits-Worksheet - Name Matriculation Number Date...

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Unformatted text preview: Name Matriculation Number Date Lab Partners Group Basic Circuits Part A: Ohm’s Law and Resistances Resistance Colour Codes Resistance Current Voltage 1st 2nd 3rd 4th R ( Ω ) I (A) Δ V (V) Data Table 1 Demonstrator’s signature Analysis A-1 For each resistor, determine the coded value of the resistance. Compare the coded value with the measured value using percentage discrepancy. How does the percentage discrepancy compare to the coded tolerance of the resistor? Show a sample calculation. Physics level 1 laboratory Page 1 of 7 Semester I, 2011/12 PC1222: Basic Circuits – Laboratory Worksheet Page 2 of 7 Analysis A-2 For each resistor, calculate the ratio of voltage/resistance ( Δ V / R ) . Compare the values you calculated with the measured values of the current I using percentage discrep- ancy. Show a sample calculation. Question A-1 What can you conclude about the mathematical relationship between current I and resistance R ? State clearly the basis of your answer. Question A-2 What were possible sources of experimental uncertainty in this experiment? Would you expect each to make your results larger or to make them smaller? Explain. Physics level 1 laboratory Semester I, 2011/12 PC1222: Basic Circuits – Laboratory Worksheet Page 3 of 7 Part B: Series Circuit R 1 = I = Δ V 1 = R 2 = I 1 = Δ V 2 = R 3 = I 2 = Δ V 3 = R s = I 3 = Δ V = Data Table 2: Data for series circuit with resistors 1, 2 and 3....
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BasicCircuits-Worksheet - Name Matriculation Number Date...

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