EXAMPLE 14 For the parallel network in Fig. 6 a. Without making a single calculation, make a guess on the total resistance. b. Calculate the total resistance and compare it to your guess in part (a). c. Without making a single calculation, which branch will have the most current? Which will have the least? d. Calculate the current through each branch, and compare your results to the assumptions of part (c). e. Find the source current and test whether it equals the sum of the branch currents. f. How does the magnitude of the source current compare to that of the branch currents? RT 44V R 10 kn R, 2 kn R, 1.2 kn R. 56 kfl 1.2 kfl R

EXAMPLE 14 For the parallel network in Fig. 6 a. Without making a single calculation, make a guess on the total resistance. b. Calculate the total resistance and compare it to your guess in part (a). c. Without making a single calculation, which branch will have the most current? Which will have the least? d. Calculate the current through each branch, and compare your results to the assumptions of part (c). e. Find the source current and test whether it equals the sum of the branch currents. f. How does the magnitude of the source current compare to that of the branch currents? RT 44V R 10 kn R, 2 kn R, 1.2 kn R. 56 kfl 1.2 kfl R

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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Concept explainers

KVL and KCL

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.

Question

EXAMPLE 14 For the parallel network in Fig. 6
a. Without making a single calculation, make a guess on
the total resistance.
b. Calculate the total resistance and compare it to your
guess in part (a).
c. Without making a single calculation, which branch will
have the most current? Which will have the least?
d. Calculate the current through each branch, and compare
your results to the assumptions of part (c).
e. Find the source current and test whether it equals the
sum of the branch currents.
f. How does the magnitude of the source current compare
to that of the branch currents?
RT
10 kn R 22 kn R, 1.2 kn R
56 kfl

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