10 once complete turn off the power supply 11 set up

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Intermediate Algebra
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Chapter 3 / Exercise 50
Intermediate Algebra
Mckeague
Expert Verified
10. Once complete, turn off the power supply.11. Set up the power supply (HY152A) to the correct voltage and set up the correct parallel connection for Fig. 3(a) – 3(d).12. Record the data and observed brightness of the light bulbs in Table 3.13. Once complete, turn off the power supply.14. Connect the circuit in Fig. 4, and complete the different ‘Cases’ that are listed in Table 4.15. Record data and light bulb characteristics.16. Turn off all power supply’s and clean up area.Measurements & Calculations:Experiment 3.1Resistance of 4 resistors:R1 = .1 Ω,R2 = .04 Ω,R3 = .09 Ω,R4 = .18 ΩTable 1 shows the calculated and measured voltage and current for Fig. 1 of the lab manual.Table 1Measured DataCalculated DataSource VoltageVs4.830 V4.830 V
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Intermediate Algebra
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Chapter 3 / Exercise 50
Intermediate Algebra
Mckeague
Expert Verified
V1 (V)1.451.464 V2 (V)0.51.586V3 (V)0.511.172V4 (V)2.732.64 Is (mA)14.64 mAI1 (mA)14.64 mAI2 (mA)Not MeasuredI3 (mA)Not MeasuredI4 (mA)14.64 mAExperiment 3.2Table 2 shows the measured current and the observed brightness for the series connections in Fig. 2(a) - 2(d) and the different ‘Cases’.Table 2SourceVoltageCasesMeasured Current(mA)Observed BrightnessBrightLessBrightDimVeryDimNoLightVs =4.830 VFig. 2(a)205.4XFig. 2(b)141.2XFig 2(c )111.6XFig 2(d)98.5XFig. 2(d) but with one light bulb removed0XExperiment 3.3Table 3 shows the measured current and the observed brightness for the parallel connections in Fig. 3(a) - 3(d) and the different ‘Cases’.Table 3SourceVoltageCasesMeasured Current (mA)Observed BrightnessBrightLessBrightDimVeryDimNoLightVs = 4.830VFig. 3(a)20.6XFig. 3(b)40.7X
Fig 3(c )60.8XFig 3(d)81.6XFig. 3(d) but with one light bulb removed0XExperiment 3.4Table 4 shows the measured current and the observed brightness for the different ‘Cases’.Table 4SourceVoltageCasesMeasured Current (mA)Observed BrightnessLight Bulb#1Light Bulb#2Light Bulb#3Light Bulb#4Vs = 4.830 VAll 4 light bulbs are in a circuit131.6DimXXDimVs = 10 VAll 4 light bulbs are in a circuit193.7Less BrightVery DimVery DimLess BrightLight Bulb #1 is removed0XXXXLight Bulb #2 is removed166.4DimXDimDimLight Bulb #3 is removed168.0DimDimXDimLight Bulb #4 is removed0XXXXa)Vs = 4.830 V: I2 = 0 (mA),I3 = 0 (mA)b)Vs = 10 V:I2 = (mA),I3 = (mA)Conclusion:In conclusion, whenever a light bulb is connected in a series connection, the current is distributedevenly between all of the light bulbs causing the brightness of the light to become dimmer and

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