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hwk_41_f10_02

# hwk_41_f10_02 - (b Determine the percentage error if the...

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ECE 3041 Homework Assignment No. 2 Fall 2010 First Homework Problem Set for Experiment No 4 Due Week of September 13 For each step in these problems, determine the Thévenin equivalent circuit with respect to the meter. SPICE may be used to check the solutions but the problems must be solved using classical techniques. Figure 1 Problem 1 For the circuit shown in Fig. 1 the component values are: 1 = 15 k , 2 = 11 k , 3 = 12 k , 4 = 33 k , 5 = 36 k , 6 = 18 k , and 7 = 15 k . The sources are: 1 = 3 mA and 2 = 4 mA . (a) Determine the percentage error due to dc voltmeter loading in the measurement of the dc voltage  0 in the circuit shown in Fig. 1. The voltmeter leads are connected to nodes and 0 in the circuit. The dc voltmeter (which isn’t shown) is a Simpson Meter Model 260-7. The voltmeter is set to the range that is the smallest that exceeds the Thévenin voltage with respect to the voltmeter. The available ranges for the Simpson meter when used as a dc voltmeter are: 1 V 2 5 V 10 V 50 V 250 V 500 V and 1 000 V

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Unformatted text preview: (b) Determine the percentage error if the voltmeter is used to measure the voltage (c) Determine the percentage error if the voltmeter is used to measure the voltage Problem 2 Repeat Problem 1 if the voltmeter is changed to a Fluke 73 HHDMM. Figure 2 Problem 3 Repeat Problems 1 and 2 for the circuit shown in Fig. 2 for the measurement of the voltages , , and . The component values are: 1 = 4 = 3 = 2k Ω , and 2 = 1k Ω . The independent voltage source is = 3 2V . The parameter = 1 Problem 4 Determine the percentage error due to dc ammeter loading in the measurement of the dc current in the circuit shown in Fig. 3. The internal resistance of the ammeter is 7 3 Ω . The component values are: 1 = 18 Ω , 2 = 15 Ω , 3 = 7 5 Ω , 4 = 12 Ω , and 6 = 13 Ω . The source is = 7 3V . Figure 3...
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hwk_41_f10_02 - (b Determine the percentage error if the...

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