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In the figure assume that ε = 4.1 V, r = 120 Ω, R1 = 230...

In the figure assume that ε = 4.1 V, r = 120 Ω, R1 = 230 Ω, and R2 = 390 Ω. If the voltmeter resistance is RV = 4.9 kΩ, what percent error (including sign) does it introduce into the measurement of the potential difference across R1? Ignore the presence of the ammeter.

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