Question

15 F 5 F 8 UF 20 uF HHI HHH 40 V 4 25 UF F 12 F 10 UF A. Find the equivalent capacitance of the circuit. B. What is the charge stored by the 5 uF capacitor? C. What is the voltage across the 12 uF capacitor? D. What is the energy stored by the 10 uF capacitor?

Answer 1

Caparitore in series – com +6 --- Capacitors in darake - Ceq = (a + Cat Cat . -. Cn). formulas Vo Hage division in tv- & Ve Capacitors oy C2 (CI+C2) 15uf I. I 5uf I I2 + IA + YI, + -suf Поле Ź 40V + - 44f I suf 25 uf 12uf louf fig. A The Compoment which hame Same Current are in Series - so it Isuf and our fare in series – equivalent ta' 1) out, 4ut, 12 ur. are in series – equivalent de 17 sut, 20ut, 25ut are in series so equivalent on

as near to are in series do 15uf and louf each other so Caribe Place Redraw circuit - 154, 104С suf CA + + ' V + ouf ut & s 2044 40V lif 25 uf 1946 finding c - Ismet Tove - Isuf 10 uf v (10+15) uf (Suf) x louf 25 15x10 ur c'- Stout 25 c-Guf fending c" - uus + 1 ur + mas of 84f 1241 - 3x3 + 2 2445

24 of finding an * - 20 + 5+ 4 20+5+4 loouf 29 loouf 80 100 uf 29 uivalent circait becomes hov CIN figue parallel Now c and ch are in C +ch - 2 + ou = 696 + 1100 W = 1796 uf 319

Gov = CV V + 3,911 Series so Equivalent Capacitance (Cep) is Combination of c'and cv, Gr + 319 1796 ur 11 -18 18 1796 + 6x319 (179666) uf 3710 10776 uf 1 ces= 10776 uf 3710 Cep = 0.3443 of Braces 37 charge stored in suf - V= (54f* Vg) c. from fig D, 400 is divided Chr c'and o are into c'and civ. in series. ch 80 vic 4ov c'te

Gaf Vi ( mis Tour 100g Xov Vi= 20.63613v Xyov 1796) 319 so Vy= 40v- v. V4 = (40 - 20.63613) V y = 19.36 387 Now from fig-B. V is dunded into suf and CA. whone CA is series Combination of douf and 2546 to + 5 QG +4 loo & st- CA= 100 ut so 12 = 10019* V. (100+5) = clooten20.63613 V V2 = 14,2 3101V

80 25= (5uFx 14.23181) las= 71.1591 uc) Answer Voltage across 12ut - Virues ? from fig-B, Vi is divided into 84f. 44, 1246 And the equivalent of these three Cap is c", so Vans - 26 - 24/06, 20.63613 V Virus = x 20 -6 3615V so herr = 3.75 20 v) Awan 12 uf [E = 136 127 Genral equation. d) Energy stored in 10 ur Capacitor – Erons = 1 xlorf von from fig-B, V is divided into Isuf and 1046, who c'is equivalent Cap of 1546 and 10 ut.

so viour 80 Your * V 10 uF Guf -* 19.36387 v 19.3 lour out = 11.6212 V 80 Erous Ixou fx (11.62123² J Fer - 675.9640 15 AM louf own