Electric Circuits 100 - 76 Simph esistive R C ncuits...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 76 Simph esistive R C ncuits 0bjective -Xnow w h€n ndh owt o u sed etta-to-wyequivateritircuits 6 a e c 3.8 U se a Y-to-A t ansforinaticjnt o f ind t he v oltage . , i n L he ircuit horrn. c 105 } { Answer:J 5\ . NOTE: A bo t ry C hapter rcbletns.52,3.53, 3 .51. P 3 a nd Practical erspective P A R eaI indow efroster W D g A n odel o f a d efroster ridi s s hownn F ig.3 .36,w here a nd] , d enote he i r t horizontal ndv erticaLpacing f t he g rid e temerts. iven he d imensions a s o G t j of t he g rid, w e n eedt o f ind e xpressions e achr esistorn t he g fid s uch f of p that t he p owerd issipated er u nit t engthj s t he s aniej n e achc onductor. Thisw jlLe nsure niformh eatjrg o f t he r earw indowi n b oth t he . v a nd l u directjons. hus e n eed o f ind v atuesor t he g ridr esistors s atis! t he T w t f t hat foUowinqetationshiDs: r g tigur€3 ,36e M odetof d eftusta rid. a , '(+)(+) (+)='(+):,'(+):, (3.51) (3.52) :,,(+) = : "(+) -(+)+)-(+) ( ,,(?)=',(*) (3.50) (3.53) Web egjnt he a natysis f t he g rid b y t akinga dvantagef i ts s tructure. o o Notet hat i f w e d isconnect l owefp ortion f t he c ircuit( i.e.,t he r esjstor t he o i 1, T i &, R ,/,R a,a ndR 5),t he c urr€nts i z, i l, a ndi b a reu naffected.hus,nstead of a nalyzjng c ircuiti n F ig.3 .36, w e c an a nalyzehe s impler ircujti n t he t c ...
View Full Document

This note was uploaded on 07/05/2010 for the course EE 100 taught by Professor Boser during the Spring '07 term at University of California, Berkeley.

Ask a homework question - tutors are online