Page 166 - Electrician 1st year - TP

TYo (Power) T«t£ 1.5.48
ªuT¦Vô[o þ AC ªuÑtßLs (AC Circuits)

AC TdL CûQl× ªuÑt±p ùWN]uv @©¬dÏYu£ûV A[®Pp
Utßm AR]ôp ªuNt±p HtTÓm ®û[ûY LiÓ©¥jRp (Measure the
resonance frequency in AC parallel circuit and determine its effects on the circuit)
úSôdLeLs: ClT«t£«u Ø¥®p ¿eLs ùT\ úYi¥V §\uLs
• ùLôÓdLlThÓs[ LC TdL CûQl× Ñt±u ùWN]uv @l¬dÏYu£ûV
LiÓ©¥jRp
• ùYqúYß @l¬dÏYu£LÞdÏ ªuÑt±u ªuú]ôhPjûR LiÓ©¥jRp
• @l¬dÏYu£ Vs ªuÑt±u ªuú]ôhPj§tÏ JÚ ¡Wôl YûWRp
• LC TdL CûQl× ùWN]uvû^ TVuTÓj§ A[Ü ùR¬VôR ‘C’ ûV LQd¡ÓRp
• LC TdL CûQl× ªuÑt±]ôp ªuÑt±p HtTÓm ®û[ûY LiÓ©¥jRp.

úRûYVô]ûYLs (Requirements)

LÚ®Ls/NôR]eLs/CVk§WeLs ùTôÚhLs (Materials)
(Tools / Equipment)
• ùTôÕ ETúVôLj§tLô]
• T«t£Vô[oL°u 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.
• MI AmÁhPo 0 - 50 mA 1 No. • LED úaôpPÚPu 1 No.
• @TeNu ù_]úWhPo 1 No. • aødLl Lm©Ls úRûYVô] A[Ü

ùNnØû\

ùNnV úYi¥V úYûX 1: TdL CûQl©p ùWN]uv @l¬dÏYu£ Utßm ªuÑt±u
ªuú]ôhPm B¡VYtû\ LiÓ©¥jRp
1 JÚ ÑXTUô] TdL CûQl× ùWN]uv 3 £d]p ù_]úWhP¬u AÜh×hûP 4 V
rms
Ñtû\ EiPôdL Fig þ1p Lôi©jÕs[T¥ Utßm @l¬dÏYu£ 1KHz þp ûYdLÜm.
TôLeLû[ TVuTÓj§ úNôpPo ùNnVÜm. ªuÑt±p TôÙm ªuú]ôhPm I ûV T§Ü
ùNnVÜm.
AhPYûQ þ 1

@l¬dÏYu£ 500Hz 1KHz 1.5KHz 2 KHz

LWih

ªu Ñt±p TôÙm ªuú]ôhPjûR
10 ØRp 12mA YûW CÚdÏUôß
ùYqúYß @l¬dÏYu£«p EߧTÓj§d ùLôs[ úYiÓm.
ªuÑt±p TôÙm ªuú]ôhPjûR ARtÏ A§LUôL CÚdLd áPôÕ.
LiL[ôp LôQ LED CÚd¡\Õ. A§L ªuú]ôhPm ùNu\ôp
£d]p ù_]úWhP¬u AÜh×h
2LC «u ùR¬kR A[ÜLû[ ùLôiÓ TdL ùXYûX Ïû\dLÜm. ùWN]uv
CûQl× ùWN]uv ªuÑt±u ùWN]uv @l¬dÏYu£ R®W Ut\ Aû]jÕ
@l¬dÏYu£ûV LQd¡hÓ T§Ü @l¬dÏYu£L°Ûm LED Jüõ ®Óm.
ùNnVÜm.

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