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# ECET 402 Week 1 iLab 1208 views

1.From Part A, step 1(b) of lab instructions, change the temperature from 0 to 30° C and record the corresponding RTD resistance in Table 1. 2.Graph the temperature-resistance characteristics of RTD below: 3.Is the graph obtained in step 2 above linear (a straight line)? 4.Use the graph obtained in step 2 above to determine the resistance of RTD at 75° F. 5.What is the value of resistor R1 found in Part A, step 3(f)? 6.Paste your Multisim circuit from Part A, step 4 below: 7.Briefly describe how the circuit above works: 8. From Part A, step 6 of lab instructions, how would you modify the circuit so that the LED indicating an air-conditioning system is turned ON for temperatures of 68° F or higher?

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1.From Part A, step 1(b) of lab instructions, change the temperature from 0 to 30° C and record the corresponding RTD resistance in Table 1. 2.Graph the temperature-resistance characteristics of RTD below: 3.Is the graph obtained in step 2 above linear (a straight line)? 4.Use the graph obtained in step 2 above to determine the resistance of RTD at 75° F. 5.What is the value of resistor R1 found in Part A, step 3(f)? 6.Paste your Multisim circuit from Part A, step 4 below: 7.Briefly describe how the circuit above works: 8. From Part A, step 6 of lab instructions, how would you modify the circuit so that the LED indicating an air-conditioning system is turned ON for temperatures of 68° F or higher?

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