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cure https://edugen.wileyplus.com/edugen/student/mainfr.uni n. an ? Bookmarks D ALEKS D csu Engage365 Mail D CSU Blackboard L.. D send Link save osende oye watch. Buissn Other Bookmarks I Contact Us I Log Out University Physics (University Physics) WileyPLUS: MyWleyPLUS Halliday, Fundamentals of Physics, 10e ractice Gradebook ORION Downloadable eTextbook ignment BACK Chapter 26, Problem 047 difference of 88.0 V across the length of a Nichrome wire that has a 2.64 x 10 m2 cross section. Nichrome has a resistivity of 5.00 x 107 - () If the element dissipates 2130 W, what is its length? (b) Ir 108 V is used to obtain (a) Number (b) Number Click if you would like to Show Work for this question: Open Show Work Units Units Question Attempts: Unlimited SAVE FOR LATER SUBMIT ANSWER

Explanation / Answer

a)

Resistance of heating element

R=V2/P =882/2130=3.636 ohms

Since R=pL/A

=>L=RA/p =3.636*(2.64*10-6)/(5*10-7)

L=19.2 m

b)

R=1082/2130 =5.476 ohms

=>L=5.476*(2.64*10-6)/(5*10-7)

L=28.91 m

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