Page 160 - Electrician 1st year - TP

TYo (Power) T«t£ 1.5.46
ªuT¦Vô[o þ AC ªuÑtßLs (AC Circuits)

AC ùRôPo ªuÑt±p ùWN]uv @l¬dÏYu£ûV A[®Pp Utßm
AR]ôp ªuÑt±p HtTÓm ®û[ûY LiÓ©¥jRp (Measure the reso-
nance frequency in AC series circuit and determine its effect on the circuit)
úSôdLeLs: ClT«t£«u Ø¥®p ¿eLs ùT\ úYi¥V §\uLs
• ùLôÓdLlThÓs[ LC ùRôPo Ñt±u ùWN]uv @l¬dÏLYu£ Utßm ªuÑt±u
ªuú]ôhPm B¡VYtû\ LiÓ©¥jRp
• @l¬dÏYu£ V ªuÑt±u ªuú]ôhPj§tÏ JÚ ¡Wôl YûWRp
S
• LC ùRôPo Ñtß JÚ úYq ¥úWlTôL (wave trap) úYûX ùNnYûR úNôRû]«Pp
• ªuÑt±p HtTÓm ®û[ÜLû[ LiÓ©¥jRp.
úRûYVô]ûYLs (Requirements)

LÚ®Ls/NôR]eLs/CVk§WeLs ùTôÚhLs (Materials)
(Tools / Equipment)
• ùTôÕ ETúVôLj§tLô]
• T«t£Vô[oLs LÚ®Ls X@dúTôoÓ 1 No.
ùTh¥ 1 No. • ùLlTô£hPo 0.1 ƒ 1 No.
• CRO 20 MHz 1 No. • CuPdPo Lô«p 40mH 1 No.
• @TeNu ù_]úWhPo 1 No. • LED úaôpPÚPu 1 No.
• MI AmÁhPo 0 - 30 mA 1 No. • aødLl Lm©Ls úRûYVô] A[Ü

ùNnØû\

ùNnV úYi¥V úYûX 1: ùWN]uv @l¬dÏYu£ Utßm ªuÑt±u ªuú]ôhPm
B¡VYtû\ LiÓ©¥jRp

1 ÑXTUô] ùWN]uv ùRôPo Ñtû\ 2L Utßm C «u ùR¬kR A[ÜLû[
EiPôdL Fig þ1p Lôi©jÕs[T¥ ùLôiÓ ùRôPo ùWN]uv ªuÑt±u
TôLeLû[ TVuTÓj§ úNôpPo ùNnVÜm. ùWN]uv @l¬dÏYu£ûV LQd¡hÓ
T§Ü ùNnVÜm.

3 £d]p ù_]úWhP¬u AÜh×hûP 10V
rms
Utßm @l¬dÏYu£ûV 1 KHzþp ûYdLÜm.
ªuÑt±p TôÙm ªuú]ôhPm I- ûV
AhPYûQ . 1p T§Ü ùNnVÜm.

1 KHz @l¬dÏYu£ ªuÑt±u
ùWN]uv @l¬dÏYu£VôL
CpXôUp CÚkRôp LED Jüõ ®PôÕ
ApXÕ ªLÜm Ïû\YôL Jüõ ®Óm.
ùYqúYß @l¬dÏYu£«p
4 @l¬dÏYu£ûV ùUÕYôL EVoj§
ªuÑt±p TôÙm ªuú]ôhPjûR
ùWN]uv @l¬dÏYu£ f ûV T§Ü
r
LED êXm LiL[ôp LôQ CVÛm. ùNnVÜm. CkR NUVj§p ªuÑt±u
ªuú]ôhPm A§L A[ÜdÏ CÚdÏm.
(LED ©WLôNUôL Jüõ ®Óm.)

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