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Real voltmeter?
The output of the voltage-divider network shown in the diagram below is to be measured with two different voltmeters, V1 and V2. Consider the situation when V0 = 10.0 V, R1 = 165 Ω, and R2 = 435 Ω.
When the voltmeter V1, whose internal resistance is 4.15 k Ω is placed across R2, what would be the reading on the voltmeter V1?
When the voltmeter V2, whose internal resistance is 1.85 M Ω, is placed across R2, what would be the reading on the voltmeter V2?