For the simple series configuration in Fig. 1:
a. Determine voltage V2.
b. Determine the reading of a DMM having an internal resistance of 11 MΩ when used to measure V2.
c. Repeat part (b) with a VOM having an Ω/V rating of 20,000 using the 20 V scale. Compare the results of parts (b) and (c). Explain any differences.
d. Repeat parts (a) through (c) with R1 = 100 kΩ and R2 = 200 kΩ.
e. Based on the above, what general conclusions can you make about the use of a DMM or a VOM in the voltmeter mode?
FIG. 1
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