In Fig. 27-32a, both batteries have emf 1.20 V and the external resistance R is a
Chapter 27, Problem 14(choose chapter or problem)
In Fig. 27-32a, both batteries have emf 1.20 V and the external resistance R is a variable resistor. Figure 27-32b gives the electric potentials V between the terminals of each battery as functions of R: Curve 1 corresponds to battery 1, and curve 2 corresponds to battery 2.The horizontal scale is set by Rs 0.20 .What is the internal resistance of (a) battery 1 and (b) battery 2? 2RsR ()0.500.3V (V)(a) (b)+Figure 27-32 14.
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