Question

fig 1: for a full wave rectifier, what is the average DC output power dissapated by the load? what is the average DC output voltage?

Fig 2: voltage regulator circuit. what is the function of Q4 and RSC?

0H 24V 1N4004 Load 120V 500 mA 24V ig 1 C1 120V:48VCT Rated 500 mA 1000 uF 75 V Rsc o Vo R1 Rg Rc Lamp, R3 Q3 R2 Fig 2 D3

Answer 1

Fell wave recHfrer Averaye De vottage Over a Aea cunder the Voc urve Base 27 2T1 aforn Sime de+ 7T 2n [21J 2Vの Voc 211の wave reltre 71 Mp of dgram CtYCutt 15.28 o 24 VDC IS.28V

4Tm R acnoss De Arcer disfopeded Po) base Conm o2.56 l0.32 allase rangiStor(&,) esthe Seriey conmo 2 euen usuaty be a Substantial element the pauer tranysty beat Snk o capeusth munted o OCut the recatony pacer dissipafion -A stable votaga Ds from unregutot ed mpt volage Tronstor anglifer by pmaded Reand Supp 98 the emOr ay the QL 93 Compares the fraction af te outpt voltege vp divider RR Lith the Statle referente Hege V acYo Dener Vale laad koy Tans stoY fed baek form the auuput pential diode Da ee The resstor Ksc Jaw Vale a very ohrm Cin) ypaly less thoo Because Yesistor Coonested. one when the load onet yigey abale a voltage daelp pre edeternined vealue the Smul

across Rec Will become Suffuenr to turn Pu Trangistor As &, i8 Connected acos he base Enitter sage pTuncavo ef moin Connol trangistor arthe aetoo a turng y 00 will Yedure the basel Enttter voltage dependry O Excess Cunens The autfet Casvent sll not to 92 he amaunr an aman allaved to increase abve a Predestemined amant even if Conplere ghort crcear ocCua achos the autpet terminale. under these cond tions the Cang Cunenr conditHo Persists, b the OCF Pur voltea s fall to 2ero for Excey S pply will be The undamaged au ond Rc protection Canrens LSnotrng) Ouer Corrent

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