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POST LAB QUESTIONS : 1. From your measurements of voltages and currents in the Series Circuit section you have determined R₁, R₂, and Rs. Theory predicts that Rs = (R₁) + (R₂). Calculate the percent discrepancy between the theoretical value of Rs and your experimentally determined Rs (as obtained in the "Series Circuit" part of the procedure); use the theoretical Rs as the "accepted" value. 2. From your measurement of voltages and currents in the Parallel Circuit section you calculated R₁, R₂, and Rp. Theory predicts that Rp = ₁2. Calculate the percent R₁+R₂ discrepancy between the theoretical value of Rp and your experimentally determined Rp, use the theoretical Rp, as the "accepted" value. Calculate Rp 3. You measured the resistance values R₁ and R₂using an ohmmeter directly, and you also determined the values of R₁ and R₂ from Ohm's law in the two circuit configurations. In addition, the resistance was given from the resistor color-code. Which of these give the most accurate resistance value? Briefly explain your answer. 4. Examine the power use determined for the individual resistors R₁, R₂, and the combined resistances for both series and parallel configuration. Based on your observations, write a general equation that describes the "equivalent power" for each configuration. 5. For the series circuit, based on your results, write an equation relating the voltage from the power source to the voltage across each component resistor. 6. For the parallel circuit, based on your results, write an equation relating the current flow from the power source to the currents flow in each component resistor.

POST LAB QUESTIONS : 1. From your measurements of voltages and currents in the Series Circuit section you have determined R₁, R₂, and Rs. Theory predicts that Rs = (R₁) + (R₂). Calculate the percent discrepancy between the theoretical value of Rs and your experimentally determined Rs (as obtained in the "Series Circuit" part of the procedure); use the theoretical Rs as the "accepted" value. 2. From your measurement of voltages and currents in the Parallel Circuit section you calculated R₁, R₂, and Rp. Theory predicts that Rp = ₁2. Calculate the percent R₁+R₂ discrepancy between the theoretical value of Rp and your experimentally determined Rp, use the theoretical Rp, as the "accepted" value. Calculate Rp 3. You measured the resistance values R₁ and R₂using an ohmmeter directly, and you also determined the values of R₁ and R₂ from Ohm's law in the two circuit configurations. In addition, the resistance was given from the resistor color-code. Which of these give the most accurate resistance value? Briefly explain your answer. 4. Examine the power use determined for the individual resistors R₁, R₂, and the combined resistances for both series and parallel configuration. Based on your observations, write a general equation that describes the "equivalent power" for each configuration. 5. For the series circuit, based on your results, write an equation relating the voltage from the power source to the voltage across each component resistor. 6. For the parallel circuit, based on your results, write an equation relating the current flow from the power source to the currents flow in each component resistor.

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Purpose: Color Code Ohmmeter unit R₁ R₂ Rs unit R₁ R₂ Rr Table 1: Resistance Determinations R₁ x 10% 1.048 10.0210 V volt 6.79 3.03 10.0 V SR₁ x 10% volt 9.40 9.40 1.000 10.1000 Table 2: Resistors in Series I Amp 0.592 x 10-3 0.592 x 10-3 0.592 x 10-3 Table 3: Resistors in Parallel I Amp 0.840 x 10-3 1.730 x 10-3 2.620 x 10-3 R₂ x 10³ 5.270 10.105 R 52 1.147 x 10* 5.118 x 10³ 1.689 x 10+ R 52 1.119 x 10* 5.434 x 10³ 3.591 x 10* SR₂ x 10³ 4.700 +0.470 P 4.097 x 10-3 1.794 x 10-3 5.920 x 10-³ P W 7.896 x 10-³ 1.626 x 10-² 2.465 x 10-² 1. 8R₁(Color Code) = Brown, black, orange, silver 10,000(10%) 5R₁(Ohmmeter) = silver - (10 %) = 10,000 x 10 100±1000 2. Calculate R: V 6.79volt R₁T 0.592 x 10-³ Amp R₂ V V R₁ === 3.03 volt 0.592 x 10 Amp 10. Ovolt T0.592 x 10 Amp - 1.147 x 10 Calculate P: 3. Calculate R: R₁ = P = VxI= (6.79volt) (0.592 x 10-³ Amp) = 4.097 x 10-³W R₂ = P =V x1 = (3.03 volt) (0.592 x 10-³Amp) = 1.794 x 10-³W Rs = P = VxI= (10.0 volt)(0.592 x 10-³ Amp) = 5.920 x 10-³W V 9.40volt R₁-0.840 x 10-³ Amp 9.40volt R₂1.730 x 10 Amp V 5.118 x 10³ V 9.41 volt Rp T 2.620 x 10-³ Amp = 1.689 x 10* = 1.119x10*0 = 5.434 x 10³0 = 3.591 x 10* Calculate P: R₁ = P = VxI=(9.40volt)(0.840 x 10-3 Amp) = 7.896 x 10-³W R₂ =P = VxI=(9.40volt)(1.730 x 10-3 Amp) = 1.626 x 10-²W R₂ =P =VxI= (9.41volt) (2.620 x 10-³ Amp) = 2.465 x 10-²W
Transcribed Image Text:Purpose: Color Code Ohmmeter unit R₁ R₂ Rs unit R₁ R₂ Rr Table 1: Resistance Determinations R₁ x 10% 1.048 10.0210 V volt 6.79 3.03 10.0 V SR₁ x 10% volt 9.40 9.40 1.000 10.1000 Table 2: Resistors in Series I Amp 0.592 x 10-3 0.592 x 10-3 0.592 x 10-3 Table 3: Resistors in Parallel I Amp 0.840 x 10-3 1.730 x 10-3 2.620 x 10-3 R₂ x 10³ 5.270 10.105 R 52 1.147 x 10* 5.118 x 10³ 1.689 x 10+ R 52 1.119 x 10* 5.434 x 10³ 3.591 x 10* SR₂ x 10³ 4.700 +0.470 P 4.097 x 10-3 1.794 x 10-3 5.920 x 10-³ P W 7.896 x 10-³ 1.626 x 10-² 2.465 x 10-² 1. 8R₁(Color Code) = Brown, black, orange, silver 10,000(10%) 5R₁(Ohmmeter) = silver - (10 %) = 10,000 x 10 100±1000 2. Calculate R: V 6.79volt R₁T 0.592 x 10-³ Amp R₂ V V R₁ === 3.03 volt 0.592 x 10 Amp 10. Ovolt T0.592 x 10 Amp - 1.147 x 10 Calculate P: 3. Calculate R: R₁ = P = VxI= (6.79volt) (0.592 x 10-³ Amp) = 4.097 x 10-³W R₂ = P =V x1 = (3.03 volt) (0.592 x 10-³Amp) = 1.794 x 10-³W Rs = P = VxI= (10.0 volt)(0.592 x 10-³ Amp) = 5.920 x 10-³W V 9.40volt R₁-0.840 x 10-³ Amp 9.40volt R₂1.730 x 10 Amp V 5.118 x 10³ V 9.41 volt Rp T 2.620 x 10-³ Amp = 1.689 x 10* = 1.119x10*0 = 5.434 x 10³0 = 3.591 x 10* Calculate P: R₁ = P = VxI=(9.40volt)(0.840 x 10-3 Amp) = 7.896 x 10-³W R₂ =P = VxI=(9.40volt)(1.730 x 10-3 Amp) = 1.626 x 10-²W R₂ =P =VxI= (9.41volt) (2.620 x 10-³ Amp) = 2.465 x 10-²W
POST LAB QUESTIONS: 1. From your measurements of voltages and currents in the Series Circuit section you have determined R₁, R₂, and Rs. Theory predicts that Rs = (R₁) + (R₂). Calculate the percent discrepancy between the theoretical value of Rs and your experimentally determined Rs (as obtained in the "Series Circuit" part of the procedure); use the theoretical Rs as the "accepted" value. = 2. From your measurement of voltages and currents in the Parallel Circuit section you calculated R₁, R₂, and Rp. Theory predicts that Rp RR2. Calculate the percent R₁+R₂ discrepancy between the theoretical value of Rp and your experimentally determined Rp, use the theoretical Rp, as the "accepted" value. Calculate Rp 3. You measured the resistance values R₁ and R₂using an ohmmeter directly, and you also determined the values of R₁ and R₂ from Ohm's law in the two circuit configurations. In addition, the resistance was given from the resistor color-code. Which of these give the most accurate resistance value? Briefly explain your answer. 4. Examine the power use determined for the individual resistors R₁, R₂, and the combined resistances for both series and parallel configuration. Based on your observations, write a general equation that describes the "equivalent power" for each configuration. 5. For the series circuit, based on your results, write an equation relating the voltage from the power source to the voltage across each component resistor. 6. For the parallel circuit, based on your results, write an equation relating the current flow from the power source to the currents flow in each component resistor.
Transcribed Image Text:POST LAB QUESTIONS: 1. From your measurements of voltages and currents in the Series Circuit section you have determined R₁, R₂, and Rs. Theory predicts that Rs = (R₁) + (R₂). Calculate the percent discrepancy between the theoretical value of Rs and your experimentally determined Rs (as obtained in the "Series Circuit" part of the procedure); use the theoretical Rs as the "accepted" value. = 2. From your measurement of voltages and currents in the Parallel Circuit section you calculated R₁, R₂, and Rp. Theory predicts that Rp RR2. Calculate the percent R₁+R₂ discrepancy between the theoretical value of Rp and your experimentally determined Rp, use the theoretical Rp, as the "accepted" value. Calculate Rp 3. You measured the resistance values R₁ and R₂using an ohmmeter directly, and you also determined the values of R₁ and R₂ from Ohm's law in the two circuit configurations. In addition, the resistance was given from the resistor color-code. Which of these give the most accurate resistance value? Briefly explain your answer. 4. Examine the power use determined for the individual resistors R₁, R₂, and the combined resistances for both series and parallel configuration. Based on your observations, write a general equation that describes the "equivalent power" for each configuration. 5. For the series circuit, based on your results, write an equation relating the voltage from the power source to the voltage across each component resistor. 6. For the parallel circuit, based on your results, write an equation relating the current flow from the power source to the currents flow in each component resistor.
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We are given 2 resistances in  series. We are given value of each resistor. We are also given the equivalent resistance of these 2 series resistors.

The equivalent resistance in series is given as

Req=R1+R2

We find the theoretical value and find the percentage error in observed value of equivalent resistance.

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