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5. Assume that a large lead-acid for k lift battery is at a 50% state of charge. The battery is charged briefly at a rate of 50 amps and the voltage is observed to be 14.3 V. The battery is then discharged briefly at 50 amps and the voltage is observed to be 11.0 V. Use this data to estimate the internal resistance of the battery. [Hint: V0 + (50 amps) × R = 14.3 V] Calculate the energy efficiency for this battery if it is charged at 30 amps and discharged at 20 amps. [Answer: 87.9%] %3D

5. Assume that a large lead-acid for k lift battery is at a 50% state of charge. The battery is charged briefly at a rate of 50 amps and the voltage is observed to be 14.3 V. The battery is then discharged briefly at 50 amps and the voltage is observed to be 11.0 V. Use this data to estimate the internal resistance of the battery. [Hint: V0 + (50 amps) × R = 14.3 V] Calculate the energy efficiency for this battery if it is charged at 30 amps and discharged at 20 amps. [Answer: 87.9%] %3D

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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5. Assume that a large lead-acid for k lift battery is at a 50% state of charge. The battery is charged briefly at a rate of 50 amps and the voltage is observed to be 14.3 V. The battery is then discharged briefly at 50 amps and the voltage is observed to be 11.0 V. Use this data to estimate the internal resistance of the battery. [Hint: V0 + (50 amps) × R = 14.3 V] Calculate the energy efficiency for this battery if it is charged at 30 amps and discharged at 20 amps. [Answer: 87.9%]
Transcribed Image Text:5. Assume that a large lead-acid for k lift battery is at a 50% state of charge. The battery is charged briefly at a rate of 50 amps and the voltage is observed to be 14.3 V. The battery is then discharged briefly at 50 amps and the voltage is observed to be 11.0 V. Use this data to estimate the internal resistance of the battery. [Hint: V0 + (50 amps) × R = 14.3 V] Calculate the energy efficiency for this battery if it is charged at 30 amps and discharged at 20 amps. [Answer: 87.9%]
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