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Chapter 26, Problem 47AP
To determine

The reason for which the given situation is impossible.

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On a cold day a battery has a terminal voltage of V₁ = 12.3 V and an internal resistance of r₁ = 0.0065 92. On a warm day the battery has a terminal voltage of V₂ = 11.64 V and an internal resistance of r2 = 0.028 2. The device it powers draws the same current at both temperatures. Assume the emf of the battery does not depend on temperature. Enter an expression for the current, I, in terms of the given quantities. Calculate the current, I, in amperes. What is the battery's emf, in volts?
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Chapter 26 Solutions

Bundle: Physics For Scientists And Engineers With Modern Physics, 10th + Webassign Printed Access Card For Serway/jewett's Physics For Scientists And Engineers, 10th, Multi-term

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