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An external resistor R is connected between the terminals of a battery. The value of R varies. For each R value, the current I in the circuit and the terminal voltage V of the battery are measured. The results are plotted in (Figure 1), a graph of Vab versus I that shows the best straight-line fit to the data. Figure < 1 of 1 > Vab (V) 32.0 28.0 24.0 20.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 I(A)

An external resistor R is connected between the terminals of a battery. The value of R varies. For each R value, the current I in the circuit and the terminal voltage V of the battery are measured. The results are plotted in (Figure 1), a graph of Vab versus I that shows the best straight-line fit to the data. Figure < 1 of 1 > Vab (V) 32.0 28.0 24.0 20.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 I(A)

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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An external resistor R is connected between the terminals of a battery. The value of R varies. For each R value, the current I in the circuit and the terminal voltage Va of the battery are measured. The results are plotted in (Figure 1), a graph of Vab versus I that shows the best straight-line fit to the data. Figure < 1 of 1> Vab (V) 32.0 28.0 24.0 20.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 I(A)
Transcribed Image Text:An external resistor R is connected between the terminals of a battery. The value of R varies. For each R value, the current I in the circuit and the terminal voltage Va of the battery are measured. The results are plotted in (Figure 1), a graph of Vab versus I that shows the best straight-line fit to the data. Figure < 1 of 1> Vab (V) 32.0 28.0 24.0 20.0 2.00 3.00 4.00 5.00 6.00 7.00 8.00 I(A)
Part A Use the graph in the figure to calculate the battery's emf. Express your answer to two significant figures and include the appropriate units. HÀ E = Value Units Submit Request Answer Part B Use the graph in the figure to calculate the battery's internal resistance. Express your answer to two significant figures and include the appropriate units. ? Value Units Submit Request Answer Part C For what value of R is Vab equal to 80.0% of the battery emf? Express your answer with the appropriate units. R = Value Units Submit Request Answer
Transcribed Image Text:Part A Use the graph in the figure to calculate the battery's emf. Express your answer to two significant figures and include the appropriate units. HÀ E = Value Units Submit Request Answer Part B Use the graph in the figure to calculate the battery's internal resistance. Express your answer to two significant figures and include the appropriate units. ? Value Units Submit Request Answer Part C For what value of R is Vab equal to 80.0% of the battery emf? Express your answer with the appropriate units. R = Value Units Submit Request Answer
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