If two resistors are connected in parallel and R1 is shorted, what are the current and voltage in R2? ExplainIf two resistors are connected in parallel and R1 is open, what are the current and voltage in R2? ExplainWhich has more excellent equivalent resistance, those resistors in parallel or those in series? Explain As a design engineer, you are asked to design a lighting system consisting of a 70W power supplyand two lightbulbs, as shown. You must select the two bulbs from the following three availablebulbs.6 pesos9 pesos7 pesosR = 80 ohms, cost90 ohms, costR2R3100 ohms, costThe system should be designed for minimum cost such that it lies within the range I = 1.5A witha tolerance of 5 percent.%3DI70 WPowerSupply

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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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If two resistors are connected in parallel and R1 is shorted, what are the current and voltage in R2? Explain
If two resistors are connected in parallel and R1 is open, what are the current and voltage in R2? Explain
Which has more excellent equivalent resistance, those resistors in parallel or those in series? Explain

As a design engineer, you are asked to design a lighting system consisting of a 70W power supply
and two lightbulbs, as shown. You must select the two bulbs from the following three available
bulbs.
6 pesos
9 pesos
7 pesos
R = 80 ohms, cost
90 ohms, cost
R2
R3
100 ohms, cost
The system should be designed for minimum cost such that it lies within the range I = 1.5A with
a tolerance of 5 percent.
%3D
I
70 W
Power
Supply

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