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