ERRATA LISTING

FOR

BASIC ENGINEERING CIRCUIT ANALYSIS, 6TH EDITION

BY

J. DAVID IRWIN AND CHWAN-HWA “JOHN” WU

 

Key:

Blue= corrected in 1st John Wiley & Sons, Inc. printing

Green= corrected in 2nd John Wiley & Sons, Inc. printing

Violet=corrected in 3rd John Wiley & Sons, Inc. printing

Red= to be corrected in future printings

 

 

·        Page 18 problem 1.8.  Sentence should read -----energy delivered in one hour.

     

·        Page 19 problem 1.11.  Problem should read “50 C passes through the element in Fig. 1.10 from A to B.  If V1 = 90 V, determine the power required by this element per sec., per hour, per day.”

 

·        Page 19 problem 1.12.  Remove the arrow for the current at the bottom of the figure.

 

·        Page 25       Figure 2.1 Caption    

 

Correction:    (4) and (5) are high wattage fixed resistors.

 

·        Mid page 42.  R1 (R1 + R2 ) should be R1 /(R1 + R2 )

 

·        Bottom of page 59.  Last line of text should read “Note that I3 could also---

 

·        Page 89 problem 2.26.  The polarity on the 12V and 6V sources should be reversed, i.e. it should be negative up and positive down.

 

·        Page 111 second line.  Change diverge to digress.

 

·        Page 118 Figure E3.2.  The current source is 6 mA.

 

·        Page 120 second line.  24/5V should be 12/5V.

 

·        Page 144     Figure 3.27 part (e)

 

Correction:    The resistor between v1 and v0 should be R2 (not R1).

 

·        Page 147     Figure 3.29 part (a)

 

Correction:    The input to the non-inverting terminal of the second op-amp from the top should be v2 (not v1).

 

·        Page 165 problem 3.29.  The polarity on the voltage V0 should be positive on top and negative on the bottom.

 

·        Page 174 problem 3.66.  The polarity on the voltage V0 should be positive on top and negative on the bottom.

 

·        Page 178 problem 3.78.  V0 should be Vx.

 

·        Page 186, For the 3rd equation, i2"(t)  should be i1"(t)

 

·        Page 237, Problem 4.33 The dependent current source should be Vx/1000

 

·        Page 261    Third equation from the top

 


            Correction:     i(t) should be i(x) so that the corrected equation reads as:

 

 

 


·        Page 266       Figure 5.10 part (b)

 

Correction:   The resistance in the inductor model should be Rwinding (not Rleak).

 

·        Page 304       Figure 6.5 part (b)

 

Correction:   The voltage at the open circuit terminals should be vOC                                                                                                                                  

 

·        Page 314       Figure 6.8 part (e)

 

Correction:   The voltage at the open circuit terminals should be vOC

 

·        Page 316      Line immediately following Equation 6.13

 

Correction:   insert the word respectively after equation 6.15:

 

                        6.15

 

respectively.

 

 

·        Page 319      Third equation from the bottom

 

Correction:   The equation should read:     K3 = -0.020

                       (The negative sign was omitted).

 

·        Page 339 Problem 6.36 --the unknown should be on a down arrow on the left-most 10k Ohm resistor.

 

·        Page 353       Last equation on the page

 

Correction: The equation should read:


 


           

       (The addition sign between the second and third terms was omitted)

 

·        Page 354 second line below Eq. 7.4.  Change resonant to natural.

 

·        Page 354       Third equation from the top

 

Correction: The lower case k in the third term should be capitalized (K).

 

·        Page 358       Second bullet item:

 

Correction:  The equation should read:


 


(the z in the second term was omitted).

 

·        Page 358, Extension Exercise E7.1.  Answer should read w0 = 0.5 rad/s.

 

·        Page 393, Problem 7.15. The resistor in the circuit should be 8 Ohms.

 

·        Page 431       Last equation on the page

 

Correction: The last V of the equation should not be bolt type.

 

·        Page 435         Second Equation from top of page

 

Correction:  The 1/(1+j) multiplier should be ½.

 

·        Page 465, problem 8.49.  Current source should have units of Amperes.

 

·        Page 488         First paragraph

 

Correction:  Remove the (ff6) place holder from the text.

 

·        Page 542, problem 9.43.  240-V should be 480-V.

 

·        Page 561, mid page, the angle on VAN is –1.08 degrees

 

·        Page 566         Header Drill problem D10.5

 

Correction:  DIRLL should be DRILL

 

·        Page 574, mid page, the angle on V is –1.08 degrees

 

·        Page 583, first line, Section 10.7 should read 9.7

 

·        Page 586, Table 10.2 Q is in MVARS

 

·        Page 593, Problem 10.21, 3rd line, 470 degrees should be 47 degrees

 

·        Page 604, Problem 10.81, loads are listed backwards, load 1 is 20 kVA and Load 2 is 12kW

 

·        Page 623, First equation should read V1 = V2/n

 

·        Page 626, In the first equation change – signs to + signs

 

                 Change V2 = + nV1

 

                                    = + Ό-----

 

                                    =  20.87 /_13.07 degrees V

 

                and

 

                                I2 = + I1/n

 

                                    = + 4(------

 

                                    = 9.33/_-13.5degrees A

 

·        Page 627, E11.8 V0 is measured top-to-bottom across the 2-Ohm resistor in the secondary

 

·        Page 641, Problem 11.8, the voltage source should be a current source of 10/_0 degrees A

 

 

·        Page 650, Problem 11.41 Transfomer is ideal with a 1:2 turns ratio

 

·        Page 768               Fourth equation from the top of the page

 

Correction:  The equation should read:

 

 

                       

 

(in the text the comma is omitted)

 

·        Page 770, Example 13.4 In the second equation, the first exponential has a + sign

 

·        Page778, Table 13.2.  The function inside the bracket on right side of the 5th line should

      be f(t + t0 ).

 

·        Page 795, problem 13.3.  Statement should read “If f(t) = exp (-at)cos-----“    ?

 

·        Page 802 problem 13.52.  There should be a one Ohm resistor connected between the 1 Ohm resistor and the 2 Henry inductor.

 

·        Page 819, E14.1 Answer should be 6.53 exp----

 

·        Page 825, extension Exercise E14.2.  Exercise should be numbered E14.7

 

·        Page 965, 6.22 answer exponent is –1.67 not –6.67

 

                 6.31 answer is 5 mA not 5/6 mA

 

·        Page 965, answer to Problem 6.43.  Correct answer is 50 exp (-50t).

 

·        Page 965, answer to Problem 6.46.  Minus sign missing in front of answer for

      t>0.05, i.e. –1.97 exp-----.

 

·        Page 966,  Answer to Problem 7.14

 

The answer in the back of the text should be:

 

 

      Please note that the answer in the solutions manual is correct.

 

·        Page 966, answer to Problem 7.19.  Answer should be –10 exp (-t) + 2 exp (-5t) + 8

 

·        Page 968,  The solution to Problem 13.28 should read:

 

 

Please note that the answer in the solutions manual is correct.

 

·        Page 968, answer to Problem 13.52.  Answer should be 24 t exp (-t) u(t) V.

 

·        Page 971  (Index)      Page Listing for Convolution integral

 

Correction:  Convolution integral, 787-90

 

                      (not Convolution integral, 783-86)