Halliday, Fundamentals of Physics, 10e Help I System Announcements a Unread) PRI

Question

Halliday, Fundamentals of Physics, 10e Help I System Announcements a Unread) PRINTER VERSION .BACK NEXT, Question s An air conditioner connected to a 120 v rms ac line is equivalent to a 9.24 resistance and a 1.54 ninductive reactance in series. Calculate (a) the impedance of the air conditioner and (b) the average rate at which energy is supplied to the appliance. (a) Number (b) Number LINK TO TEXT LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLEM ro SAMPLE PROBLEM LINK By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor. Question Attempts: o of 10 used SAVE FOR LATER SUBMIT ANSWER copyright o 2000-2017 by Dohn Wiley sons, inc. or related companies. Ai rights reserved. agist unlaN1000. MacBook Pro

Explanation / Answer

here,

the equivalent resistance , R = 9.24 ohm

the inductive reactance , Xl = 1.54 ohm

a)

the impedance of air conditioner , Z = sqrt(R^2 + Xl^2)

Z = sqrt(9.24^2 + 1.54^2)

Z = 9.37 ohm

b)

the average rate at which energy is supplied , P = V^2 /Z

P = 120^2 /9.37 = 1536.8 W

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