15.a. Find the Thévenin equivalent circuit for the portions of the network of Fig. 9.139 O external topoints a and b.b. Redraw the network with the Thévenin circuit in place and find the current through the 10 kQresistor.4 k24 kΩ20 V4 kN10 kN8 mA4 kΩFig. 9.139Problem 15.

Answered: 15. a. Find the Thévenin equivalent…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

15.
a. Find the Thévenin equivalent circuit for the portions of the network of Fig. 9.139 O external to
points a and b.
b. Redraw the network with the Thévenin circuit in place and find the current through the 10 kQ
resistor.
4 k2
4 kΩ
20 V
4 kN
10 kN
8 mA
4 kΩ
Fig. 9.139
Problem 15.

Expert Solution

Step 1

Brief description :

In case of electrical circuits any complex circuit can be reduced into simplified circuits by the help of network theorems.

The circuit theorems are listed as follows,

Thevenin's Theorem.

Norton Theorem.

Maximum power transfer theorem.

Each of the theorems have their own significance in the reduction of the given complex circuit.

Maximum power transfer theorem is used to calculate the value of load resistance under which maximum power is transferred to the load from the source.

To apply maximum power transfer theorem first of all we have to apply thevenin or Norton theorem.

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