To determine The battery terminal voltage with good starter. Explanation Write the expression for the internal resistance. R i = E − V 1 i 1 (I) Here, i 1 is the current, E is the battery emf, and V 1 is the terminal voltage. Write the expression for the battery terminal voltage for the good starter motor. V 2 = E − ( ( i 2 ) ( R i ) ) (II) Here, i 2 is the good starter current. Conclusion: Substitute 7.33 V for V 1 , 285 A for i 1 , and 12.6 V for E in Equation (I) to calculate R i . R i = 12.6 V − 7.33 V 285 A = 5.27 V 285 A = 0

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ISBN: 9780134988566

Author: Wolfson, Richard

Publisher: Pearson Education,

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Chapter 25, Problem 19E

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Chapter 25, Problem 18E

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