Sample Problem continued with solution processStep 1: Drawing a circuit diagram and labeling the unknowns.All told there are 5 elements, 4resistors and 1 voltage source.For resistors I intentionally label thecurrents going from + to -. That way, Ican write V = I R. If I labeled thecurrent through a resistor from – to +as I, then I have to write the equationby Ohm's law as V = -I R.For convenience I label the current i,through the voltage source from – to+. (There is no Ohm's law for a sourceto follow. Do not try to have aresistance in a source. What is aV,3+(1|1A10 Ω+V,işV220 i2V3+220Ω4İzI then examine the circuit. I see that this is a obviousconsequence of the labeling:iz = i,= i,All are current going through one path with thesame direction as I labeled. If I had labeled one inthe opposite direction, I just had to put in a minussign.source? A voltage source is toguarantee the voltage drop from its +to its – a fixed voltage V,.I denote four points in the circuit withnumbers encircled. They help meapply KVL and KCL.S°

Answered: Image /qna-images/answer/7f27ff05-843e-4856-b815-8574a51236bd.jpg

Sample Problem continued with solution process Step 1: Drawing a circuit diagram and labeling the unknowns. All told there are 5 elements, 4 resistors and 1 voltage source. For resistors I intentionally label the currents going from + to -. That way, I can write V =| R. If I labeled the current through a resistor from – to + as I, then I have to write the equation by Ohm's law as V = -I R. For convenience I label the current i, through the voltage source from – to +. (There is no Ohm's law for a source to follow. Do not try to have a |1A 10 N + + V, 2 20Ω 4 I then examine the circuit. I see that this is a obvious consequence of the labeling: İ3 = i,= i, All are current going through one path with the same direction as I labeled. If I had labeled one in the opposite direction, I just had to put in a minus sign. resistance in a source. What is a source? A voltage source is to guarantee the voltage drop from its + to its – a fixed voltage V. I denote four points in the circuit with numbers encircled. They help me apply KVL and KCL.

Sample Problem continued with solution process Step 1: Drawing a circuit diagram and labeling the unknowns. All told there are 5 elements, 4 resistors and 1 voltage source. For resistors I intentionally label the currents going from + to -. That way, I can write V =| R. If I labeled the current through a resistor from – to + as I, then I have to write the equation by Ohm's law as V = -I R. For convenience I label the current i, through the voltage source from – to +. (There is no Ohm's law for a source to follow. Do not try to have a |1A 10 N + + V, 2 20Ω 4 I then examine the circuit. I see that this is a obvious consequence of the labeling: İ3 = i,= i, All are current going through one path with the same direction as I labeled. If I had labeled one in the opposite direction, I just had to put in a minus sign. resistance in a source. What is a source? A voltage source is to guarantee the voltage drop from its + to its – a fixed voltage V. I denote four points in the circuit with numbers encircled. They help me apply KVL and KCL.

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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