Page 143 - Electrician -1st Year - TT

Q3 = C V CÚdÏmT¥ LY²jÕd ùLôs[ úYiÓm.
3
= 75 x 100 x 10 –6 – ÕÚYeLs ϱdLlThP ùLlTô£hPo þ
= 7500 x 10 –6 L[ôL CÚkRôp ÕÚYeLû[ N¬Vô]
-3
= 7.5 x 10 áÛmlLs Øû\«p CûQdL úYiÓm.
Q = C V ùRôPo CûQl× ùRôÏl©p
4 4
CûQl×Ls (Connection in series grouping):
= 100 x 100 x 10 -6
ùLlTô£hPoL°u ùRôPo CûQl×
= 10000 x 10 -6 ùRôÏl× Fig 3þp LôhPlThÓs[Yôß
-3
= 10 x 10 áÛmlLs ªuRûPLû[ ùRôPo CûQl©úXô
ApXÕ ªuLXeLû[ ùRôPo
ùUôjR ªuú]t\m = Q = Q + Q + Q + Q
t 1 2 3 4
CûQl©úXô CûQjRûRl úTôX
= (2.5x10 ) + (5x10 ) Jj§ÚdÏm.
-3
-3
+(7.5x10 ) + (10x10 )
-3
-3
Fig 3
= (2.5+5+7.5+10) x 10 -3
-3
= 25 x 10 áÛmlLs
or Q = C V
T T
= 250 x 10 x 100
-6
-3
= 25 x 10 áÛmlLs
ùRôPo CûQl×j ùRôÏl× (Series ùUôjR ùLlTô£Puv (Total capacitance):
grouping): ùRôPo CûQl©p ùLlTô£hPoLs
ùLlTô£hPoLû[ ùRôPo CûQl©p CûQdLlTÓm ùTôÝÕ ùUôjR
ùRôÏjRXõu AY£Vm (Necessity of grouping ùLlTô£Puv Ïû\kR ùLlTô£Puv Es[
of capacitors in series): ªuÑt±u ùUôjR ùLlTô£hP¬u A[ûY ®P
ùLlTô£PuvþI Ïû\dL Ïû\Yô«ÚdÏm.
ùLlTô£hPoLû[ ùRôPo CûQl©p Hù]u\ôp,
ùRôÏlTÕ AY£VUôÏm. CWiÓ ARtÏ
– RLÓ ©¬dLlTÓYRôp R¥Uu
A§LUô] ùLlTô£hPoLs ùRôPo
A§L¬d¡\Õ.
CûQl©p CûQdÏm úTôÕ JÚ R²
ùLlTô£hP¬u ªu]ÝjR úYßTôhûP – úUÛm RLh¥u TWl×, £±V RLhPôp
RôeÏm §\û] ®P A§LUô] ªu]ÝjR UhÓlTÓjRlTÓ¡\Õ. ùUôjR ùRôPo
úYßTôhûP RôeÏm GuTÕ Utù\ôÚ ùLlTô£hP¬u LQd¸Ó TdL CûQl×
LôWQm BÏm. B]ôp JqùYôÚ ªuRûPL°u G§oûTd LQd¡ÓYRtÏ
ùLlTô£hPÚdÏm CûQVôL Es[ JlTô]Õ.
ªu]ÝjR Årf£Vô]Õ AûY ùRôPo ùLlTô£PuvdLôL ùTôÕ
JqùYôu±u ùLlTô£Puv ùTôÚjÕ
ãj§Wm (General formula for series capacitance):
AûUÙm. ùLlTô£PuvLs NUUªpXôUp ùRôPo ùLlTô£PuvdLô] ãj§Wm.
CÚkRôp GkR ùLlTô£hP¬u CVdLj RûP
ªu AÝjRjûR ®P YZeÏm ªu]ÝjRm C = 1
A§LUôLôRT¥ ¿eLs Li¥lTôL T 1 + 1 + 1 + ....... + 1
LY]ØPu CÚdL úYiÓm. C C C C
1 2 3 n
ùRôPo CûQl×j ùRôÏl©tLô] ApXÕ
¨TkRû]Ls (Conditions for series grouping)
1 1 1 1 1
– úYßThP ªu]ÝjR A[Üs[ = + + + ....... +
ùLlTô£hPoLs ùRôPo CûQl©p C T C 1 C 2 C 3 C n
CûQdLlThPôp JqùYôÚ
CWiÓ ùLlTô£hPoLs UhÓm ùRôPo
ùLlTô£hP¬u ªu]ÝjR Årf£Vô]Õ
CûQl©p CÚkRôp
ARu ªu]ÝjR A[®tÏ Ïû\YôL

TYo : GXdh¬μVu (NSQF - Revised 2022) R.T. Ex.No. 1.4.43 & 44 123