Question

R1 R2 AAA 4700 1000 12 LED1 R4 2200 Figure 1

Answer 1

$ Güven circuit R 4702 M 100 RI V = 150 R Elles Zro2 LEDI MU LEDt replaced with IRL] 102 m _m 4700 SRL V ISV Bull 2202 me Ry Thevenin's equivalent Circuit here in this circuit all are in ohms 1K2 → change to ohrs (Ike = 1000m encept M 470 1 00-2 + 15VV I Vith 2008 B loom 2001 ttico Ry In this loop (currenti)= 0 |

using voltage division 15 X 100012 Vth = 220+470+1000 = 8.875V | Vth = 8.875V Finding Rtho R2 47002 loon2 roon 5 P < Rth 22012 here 4702 and aras are in series = 470+220 = 6902 6401 ovaled poubu with looon 690X100D 690 Hood - 408-2842 1000L Rth = 100+407.244 $ 408-2842 toth = 507.2842 |... Rth = 50%-2842

Thevenin's equivalent circuit Rth M 501-2442 qu7th (14th B &RL for RL=4.762 Rth M 5072842 + VRL 8.275V (Ith Ri 84•7kh=47002 wing iltage division VRL = 4700X9.375 507-274+4700 I VPL = 8.003v] IAL = 8:003 4.7k (Ire = 1-7034 mA (for PL = lok] Rith M 2375 Uth A 508-244 + loka & Ruth

wing voltage driving URL=8 8775 Xlok - - 8.445V tok +503.294 { VAL = 8445V TRL - Boys 20-9445m lok | IRL = 0% 8445mA Rith 50722 6275V) Vth 84754 The RVPL AL for URL: wing Voltage division - 7-7700V. Veis 9.375X47k 47k+503.264 | URL = 8.78000 for IRL IRR 8.7600 - 476 = 0.1868 m A ...IRL = 0·l368m