Page 109 - Electrician -1st Year - TT
P. 109

ªuRûPLs G¬kÕ úNRUûPYRôÛm
                                                                  HtTÓ¡\Õ.
                                                                  ùRôPo ªu CûQl©p HtTÓm §\kR
                                                                  ªuÑt±u ®û[ÜLs (Effect of open in series
                                                                  circuit)
                                                                  a ªuÑt±p               GkR         LWihÓm
                                                                    ùNpXôUXõÚlTÕ
                                                                  b GkR JÚ ETLWQØm CfÑt±p
                                                                    ùNVpTPôUXõÚlTÕ
                                                                  c ùUôjR YZeLp úYôphúPw (Total supply
                                                                    voltage) ApXÕ úYôphúPw êXm (source
                                                                    voltage) §\kR ¨ûX Ñtßd¡ûP«p
                                                                    CÚdÏm.
            ùRôPo CûQl©p HtTÓm §\kR Ñtß
                                                                  ªuÑt±p ùRôPo GeÏ Õi¥dLl
            (Open circuit in series circuit)  :    §\kR
                                                                  ThÓs[Õ GuTûR GqYôß Sôm
            ªuÑt\ô]Õ            (open circuit) ªuÑtß
                                                                  ¾oUô²dL CVÛm  (Determination the location
            Õi¥dLlTÓm ùTôÝúRô ApXÕ Ñtß
                                                                  of break in the circuit has occured)  :  Nlû[
            Øtßl ùT\ôUXõÚdÏm ùTôÝúRô HtTÓm.
            úUÛm ªuÑtß ùRôPof£«u± (no continu-                    úYôphúPû_ AàU§dLjRdL úWugf
                                                                  Es[ úYôphÁhPûWjRôu CRtÏ
            ity) CÚdÏm.
                                                                  TVuTÓjR úYiÓm. AkR úYôph ÁhPûW
            ùRôPo ªu CûQl©p (series circuit) §\kR                 JqùYôÚ CûQl× YVoLÞd¡ûP«Ûm
            ªuÑtß GuTRu ùTôÚ[ô]Õ LWih                             Y¬ûNVôL          CûQdLÜm.            (Fig 4)-p
            ùNpYRtÏ Gq®R Y¯«pXôUXõÚjRp BÏm.                       LôhPlThPÕ úTôp, HúRàm JÚ YV¬p
            úUÛm ªuÑt±p GkR LWihÓm                                §\kR Ñtß  (open) HtTh¥ÚkRôp, ùUôjR
            ùNpXôUXõÚjRp BÏm. AmÁhPÚm                             Nlû[ úYôphúPû_Ùm úYôph ÁhPo
            CfÑt±p LWihûPÙm Ñh¥dLôhPôÕ.                           LôhÓm. LWih ùNpXôUXõÚdÏm ¨ûX«p
            CÕ (Fig 4)-p LôhPlThÓs[Õ.                             GkR JÚ ªuRûP (resistors)dÏ CûP«Ûm
                                                                  úYôphúPw ¥Wôl CÚdLôÕ.

                                                                  G]úY, úYôph ÁhPo, KTu Nodëh
                                                                  HtThÓs[               CPj§p            ùUôjR
                                                                  úYôphúPû_Ùm LôhÓm ARôYÕ,

                                                                  úYôph ÁhPo Ã¥e
                                                                    = 18 V – V – V  – V
                                                                              R1   R2   R3
                                                                    = 18 V – O V – O V – O V = 18 V

                                                                  Fig 5-p LôhPlThÓs[Õ úTôp, ªuÑt±p
                                                                  Es[ TÝRûPkR ªuRûPVôp  (resistor)
                                                                  §\kR ªuÑtß HtTPd LôWQUô¡\Õ.
                                                                  (ªuRûPLs YZdLUôL AûYLs G¬kR
                                                                  ¨ûX«pRôu KTu BÏm). úYôph ÁhPo
                                                                  18  úYôph-I ARû]  R ªuRûPdÏ
                                                                                                  2
            ùRôPo ªuÑt±p HtTÓm §\kR                               CûP«p CûQdLlTÓm ùTôÝÕ LôhÓm.
            ªuÑt±tLô] LôWQeLs (Causes for open                    ARtÏ Uôt\ôL, KTu NodëhûP KmÁhPo
            circuit in series circuit) :  ùTôÕYôL KTu Nodëh
                                                                  -I TVuTÓj§d áP LiÓ©¥dLXôm.
            B]Õ Ñ®hÑL°u LôuPdhL°p Es[
                                                                  úYôphúPw ¿dLlThP ¨ûX«p, KmÁhPo
            TÝÕL[ôÛm G¬kÕ úTô] ªu EÚÏ CûZ                         ùRôPo¨ûX (continuity)«pXôûU (no continuity)
            (fuses)«]ôÛm           CûQl×           YVoLs
                                                                  (Gi¦dûL«XPeLô ªuRûPjRuûU, (in-
            Õi¥dLlTh¥ÚlTRôÛm,                        úUÛm         finite resistance) Õi¥dLlThP YVoLs

                             TYo : GXdh¬μVu (NSQF - Revised 2022) R.T. Ex.No. 1.3.31 & 32                       89
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