PHYS 228 Homework 1, Fall 2013

American University of Beirut Physics Department Physics 228 Home Work Chapter I I, Determine the resistance between A and B. II. The Twin-T circuit is inserted between The power supply with internal resistance r= 60Q. Determine the insertion loss (Vo/ Vi). III. Determine the current in each resistor. Calculate the current in the 25 Q resistor using the principle of superposition. IV. Determine the power delivered by each source. V. Determine the power delivered by each source. Physics 228, Solukon Set- T. LL Convert He Wiow ak formed by (15, 20 ,25)2 (alo o Shr. & \ . h JO in gerte wihh So 260 4.28 un Sevie with yOo= 44.28 ye 60 // 44.28 > 25.472 A5.4F in Serre with As o- — — 9o & 7 KS O-GALFS — 33 2 Cont, Phys 22a selskon Set I AL- Deterimme Hu cabio Ve) _ 99 ( < ) a = 60 Replace the shkr “Y” formed by e( 30, 15,15) reS(shorts by o rion ghe. = WSx\S 415x304 1Sx39_ 27,592 Bo ISKAS F (Sx SOAS XSO _ a6 1D ny Rg = ISx)S 4)S x30 iSxS°_ 56.2. \S Nous Convert da Shar YB cme d by the (So, 15 ,US) cnlp a bien e if I R, — 235xtS4 SATO 425250 _ L252 50 Ri. 2S,2S 425% S04 US*S9_ i252 1s 28 x25 $US ASO FEKO_ DERN, 2S Now Wwe recsns truck our Chen}; as 21s Phys 228 sSolulion SET L. Ore Gu ee sty see Hob We (62.52 /] 37.522 #§ S2 f/f 125 se FS2 ff (2S S2. The E gant volemt Cirawt be omer: remember tho} We need tHe rakto + Ve aE Severad nnetks Con road +o this rane, Twill esvert He trier gh foroned by tes (46.875 | yo.a7s 23,43) mt a ster “Y 4 R" _ 23.43 «46.875 __ 4.37 23.43 Gb. BPS 4 $6BFS 423.43 Ry = Sys 4O 875 __ 9.37 Hg YE BPS4 GE. 37542343 RY = YE.BFS GOLIST yg te LE. BPS4Y 6. BPS $23.43 The Ghodk will becomes! Phys 228 selubon We Contad. Ser i. Ki ebeffh Low . onthe lag Loop: Wabi We wr era Ae- Wv Ay ° Ve =V, - 9.32 1 - 9.377 -<€6T = o ? Vi -~V, ~ 63.371 ~3,.3% eso \ 60 The Volue “| T can be delermined OS Solow - le Vv Re, 6O S2 and 9.3752 tn Serre => 69,3752 64,37: 8.3749 due 69.3452 un pore he? with 18.75 D C933 418.37 Hue 14.%6 in Serve with 9.3% and 60 => Reg = 2374 60+ IHF 6= 24.13 2. Vi 34.13 physics 222 Scolukon Set ZT. —o.3 43001, +757, =0 (3) e@ O12 | “SNS +275 1 20 =>|T = 90,545 mh) Q) _s Oo. oaSys _ 251, =0D = hal mA) I, = J+, = 0.Sus + me = 12.36 om KR =T, Phystcs2Ze Solukion SET A W. Dehermine the power delivered by each Soure. Frest Canvert Ve Triana he into a ater WY” @ R,= 22419 2 WW 3a32R ég 3 R, = Zonwo 10 52 40 Ry = Wex8o 2 S22. €o The E um vo Sem Cie cat Phystes 222 Salukion Set ZL. = BA - 0,183 A J, = 292A. *” P oy aaee \, Y Ss DUNC Ce > a a } re) Le OW eN 5 an fy e * Ware) be - Yn) Way - Meo 7 Ma-Me) = 542.82 453.2343 = 1/4.) 4 159.99 =1%yv a a IHhy 3 = T2202 we. ¥& CA) sox en Our - power. ploase check Wo Cm Sexvahion 7 Gone po physics 222 Solubon SET IZ. a (Vp -Vg) + (Vg > Ve) +. -¥4 fy) = meal 8 30-301 +40 =o e so 30 (2-3) nue? =o => 30-60 4305,+449 Tec => I=389-238