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Physics Investigatory Project on Full Wave Bridge Rectifier.

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Physics Investigatory Project on Full Wave Bridge Rectifier.

  1. 1. Part of Made in India, Design Innovation Workshop,2015 A  Fresh  New  Experience  in   Project-­‐Making  &  Learning!
  2. 2. PHYSICSINVESTIGATORY PROJECTON FULLWAVEBRIDGERECTIFIER
  3. 3. A  Full  wave  bridge  recAfier  is  an  electrical  circuit  where  four   diodes  are  arranged  in  the  form  of  a  bridge.  It  converts  a   household  AC  signal  into  a  DC  signal.  It  has  various  other   applicaAons  like  it  detects  the  amplitude  of  a  modulated   radio  signal  and  is  also  used  to  supply  polarized  voltage  in   welding. In  this  project,  a  full  wave  bridge  recAfier  is  made  using  a   breadboard,  one  transformer  (12  V  AC),  one  resistor,  four   diodes  and  a  few  connecAng  wires.  The  connecAons  are   made  such  that  a  bridge  type  arrangement  of  the  four  diodes   is  made.  ARer  the  compleAon  of  the  circuit,  the  transformer   is  connected  to  a  220V  AC  source  and  the  power  supply  is   switched  ON.  The  ‘path  of  current’  analysis  was  done  in  the   posiAve  and  negaAve  half  cycles  of  the  input  voltage.  The   stepped  down  input  AC  voltage  was  calculated  across  the   points  where  the  output  wires  of  the  transformer  were   connected.  The  voltage  across  the  load  resistor  was  also   measured,  this  voltage  is  the  recAfied  output  DC  voltage   (VO)  produced  by  the  bridge  recAfier.  The  output  voltage   was  calculated  theoreAcally  using  KVL  (Kirchhoff’s  voltage   law)  by  using  the  ideal  voltage  drop  across  the  diodes  and   the  input  voltage.  Both  the  voltages  values  were  compared   and  the  relaAve  error  was  calculated. Since  this  bridge  type  arrangement  produces  a  posiAve   voltage  output  during  both  the  posiAve  and  negaAve  half   cycles  of  the  AC  signal,  it  is  called  a  bridge-­‐wave  recAfier,  and   the  process  is  called  full-­‐wave  recAficaAon.
  4. 4. Have  a  look  at  what  we  provide  in  our  Project  Kit! CoolJunk   is   India's   fastest  growing  DIY  (do-­‐it-­‐yourself)   kits   company   focused   on   project-­‐based   learning   in   science,  engineering  and   technology.  Having   20,000   users   in   India,  US,   Singapore,   Middle   East   and   New   Zealand,  the  CoolJunk  kits  are  known  for  quality,  innovaAon  and  high  producAon  value.  CoolJunk  has  been   featured   in   naAonal   and   internaAonal   journals   including   Wallstreet,   Yourstory,   Hindu   Business   Line,   NextBigWhat  and  was  tagged  as  the  coolest  Indian  start-­‐up  in  IAN  Bootcamp-­‐2011.   For  more  projects  visit  our  website:  CoolJunk   All  tools  and  components   in  one  box. Step  by  step  visual   instrucAons Detailed  experiment   theory CoolJunkCoolJunkCoolJunk Follow  us  on: CoolJunk

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