Page 172 - Electrician -1st Year - TT

ùWùNô]uv @lÃdÏYu£ ®P A§LUô] Utßm Ïû\Yô] @lÃdÏYu£«p ùRôPo Utßm
CûQ ùWùNô]h ªuÑtû\ Jl©ÓRp (Table below gives a comparision between series
resonant and parallel resonant circuits at frequencies above and below their resonant frequency f )
r

ùRôPo ªuÑtß CûQ ªuÑtß
ÏQô§NVeLs
ùWùNô]uv @l¬dÏYu£

1 1
ùWùNô]h = =
2π LC 2π LC
@l¬dÏYu£

¬VôdPuv X = X X = X
L C L C
Cm©Puv Ïû\Ü (Z = R) A§Lm (Z = L/CR)
r r
ªuú]ôhPm A§Lm Ïû\Ü

X X
Quality factor L L
R R

X X
Bandwidth L L
R R
ùWùNô]v @l¬dÏYu£ûV ®P A§LUôL CÚdÏm úTôÕ

¬VôdPuv X > X X > X
L C C L
Cm©Puv A§LUô¡\Õ Ïû\¡\Õ

úTv úYßTôÓ ùNÛjRlTÓm ªu]ÝjRj§tÏ ùNÛjRlTÓm ªu]ÝjR§tÏ
ªuú]ôhPm ©uRe¡ ùNp¡\Õ ªuú]ôhPm Øuú]ôd¡
ùNp¡\Õ

¬VôdPuv YûL CuPd¥q ùLlTô£h¥q

ùWùNô]v @l¬dÏYu£ûV ®P Ïû\YôL CÚdÏm úTôÕ

¬VôdPuv X > X X > X
C L L C
Cm©Puv A§LUô¡\Õ Ïû\¡\Õ

úTv úYßTôÓ ùNÛjRlTÓm ªu]ÝjRj§tÏ ùNÛjRlTÓm ªu]ÝjR§tÏ
ªuú]ôhPm Øuú]ôd¡ (leads) ªuú]ôhPm ©uRe¡ (lags)
ùNp¡\Õ ùNp¡\Õ

¬VôdPuv YûL ùLlTô£h¥q CuPd¥q

152 TYo : GXdh¬μVu (NSQF - Revised 2022) R.T. Ex.No. 1.5.48