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A) A battery can be modelled by a voltage source Vt in series with a resistance Rt. If the load resistance is selected to maximize the power delivered to the load, what isthe overall efficiency of the system? B) Now suppose that RL= 7Rt, what would be the new system efficiency?C) Normally, battery-operated devices are designed so that nearly all of the energy stored in the battery is delivered to the load. Should we design for maximum power transfer in this case, based on the calculations above? Explain.

A) A battery can be modelled by a voltage source Vt in series with a resistance Rt. If the load resistance is selected to maximize the power delivered to the load, what isthe overall efficiency of the system? B) Now suppose that RL= 7Rt, what would be the new system efficiency?C) Normally, battery-operated devices are designed so that nearly all of the energy stored in the battery is delivered to the load. Should we design for maximum power transfer in this case, based on the calculations above? Explain.

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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A) A battery can be modelled by a voltage source Vt in series with a resistance Rt. If the load resistance is selected to maximize the power delivered to the load, what is
the overall efficiency of the system?

B) Now suppose that RL= 7Rt, what would be the new system efficiency?

C) Normally, battery-operated devices are designed so that nearly all of the energy stored in the battery is delivered to the load. Should we design for maximum power transfer in this case, based on the calculations above? Explain.

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