Answered: Ir Rs VR RL Vs Nonideal source (+)

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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Question

A nonideal voltage source is modeled in Figure
P3.72 as an ideal source in series with a resistance that
models the internal losses, that is, dissipates the same
power as the internal losses. In the circuit shown in
Figure P3.72, with the load resistor removed so that
the current is zero (i.e., no load), the terminal voltage
of the source is measured and is 20 V. Then, with
RL = 2.7 kΩ, the terminal voltage is again measured
and is now 18 V. Determine the internal resistance and
the voltage of the ideal source.

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