HSC Physics 2nd Paper Chepter-3 (Current Electricity/Choltorit) Note's || পদার্থ বিজ্ঞান দ্বিতীয় পত্র, অধ্যায়-৩ ।। চলতড়িৎ
বোর্ড আসার মতো কিছু জ্ঞানমূলক প্রশ্ন ও উত্তর । তোমাদের প্রস্তুতিকে আরো সাজানো ও গোছানোর প্রচেষ্ঠা।
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💥💥💥💥💥💥জ্ঞানমূলক প্রশ্ন ও উত্তর 💥💥💥💥💥💥
 cÖkœ-1: cwievnxZvsK ev cwievnKZ¡ ?
DËi:
†iv‡ai wecixZ ivwk †hgb cwievwnZv wVK †Zgwb Av‡cw¶K †iva ev cÖ`‡Ëi wecixZ ivwk
cwievwnZv¼ ev cwievnKZ¡ G‡K Øviv cÖKvk Kiv nq
cÖkœ-2: In‡gi
m~ÎwU ‡jL|
DËi:
In‡gi m~ÎwU nj ZvcgvÎv w¯’i _vK‡j †Kvb cwievnxi ga¨ w`‡q †h cwigvY Zwor cÖevwnZ
nq Zv †mB cwievnxi `yB cÖv‡šÍi wefe cv_©‡K¨i mgvbycvwZK|
cÖkœ-3: GK
Gw¤cqvi cÖevn
DËi:
k~b¨ gva¨‡g GK wgUvi `~i‡Z¡ Aew¯’Z mij cwievnxi cÖ‡Z¨KwU‡Z †h cwigvY cÖevn Pj‡j
ci¯c‡ii ga¨ w`‡q cÖwZ wgUvi ˆ`‡N¨© ej Drcbœ nq ZvB GB 1 Gw¤cqvi
cÖkœ-4:
Av‡cw¶K †iva
DËi: GKK ˆ`N¨© I GKK cÖ¯’‡”Q‡`i †¶Îdj wewkó †Kvb
cwievnxi †iv`‡K Av‡cw¶K †iva e‡j AwZ cwievwnZv AwZ wbæ ZvcgvÎvq wKQz wKQz
c`v‡_©i †iva ï‡b¨ †b‡g Av‡m Gme c`v_©‡K ejv nq AwZ cwievnx Ges c`v‡_©i G ag©‡K
ejv nq AwZ cwievwnZv
cÖkœ-5:
cÖevn NbZ¡ 
DËi: †Kvb
cwievnK Gi cÖwZ GKK cÖ¯’‡”Q‡`i †¶Îd‡ji ga¨ w`‡q cÖevwnZ cÖevn †K cÖevn NbZ¡ 
e‡j
cÖkœ-6:
A¨vw¤cqv‡ii m~ÎwU wjL|
DËi: †Kvb Zworevnx cwievnx‡K
†K›`ª K‡i KvíwbK †Kvb e× †iLv ev jy‡ci Dci Gi ˆiwLK †hvMxKiY IB cwievnx‡Z
cÖevwnZ Zwor gvÎv AvB Ges Gi ¸Ydj Gi mgvb
cÖkœ-7:
†iv‡ai DòZv ¸Yv¼ ?
DËi: cÖwZ †Kjwfb ZvcgvÎv e„wׇZ 1 GKK wewkó †Kvb cwievnxi †iv‡ai †h e„w× N‡U Zv‡K IB cwievnxi †iv‡ai DòZv ¸Yv¼
e‡j।
cÖkœ-8: 
†iv‡ai ˆ`‡N¨©i m~Î ?
DËi:
†iv‡ai ˆ`‡N¨©i m~ÎwU nj wbw`©ó ZvcgvÎvq wbw`©ó Dcv`v‡bi cwievn‡Ki cÖ¯’‡”Q‡`i
†¶Îdj w¯’i _vK‡j cwievnK Gi †iva ˆ`‡N¨©i mgvbycv‡Z cwiewZ©Z nq
cÖkœ-9: †ivav¼ wK ?
DËi:
†Kvb wbw`©ó ZvcgvÎvi GKK ˆ`‡N¨©i I GKK cÖ¯’‡”Q‡`i †¶Îd‡ji †Kvb cwievnxi †iva‡K GKK
evû wewkó †Kvb Nb‡Ki †iva †K IB ZvcgvÎvq IB cwievnxi Dcv`v‡bi Av‡cw¶K †iva ev
†ivav¼ e‡j|
cÖkœ-10:
GK Ing †iva wK?
DËi: †h cwievn‡Ki `yB cÖv‡šÍi
wefe cv_©K¨ 1 †fvU n‡j Zvi ga¨ w`‡q GK Gw¤cqvi Zwor cÖevn P‡j †mB cwievn‡Ki e‡j|
cÖkœ-11:
Ry‡ji cÖ_g m~Î টি লেখ ?
DËi: we`¨yrevnx cwievnx Ges
we`¨yr cÖevn Kvj AcwiewZ©Z _vK‡j cwievnx‡Z we`¨yr cÖev‡ni `iæY D™¢‚Z Zvc cwievû
gvÎvi e‡M©i mgvbycvwZK।
cÖkœ-12:
Zvc Drcv`b m¤cwK©Z Ry‡ji Z…Zxq m~Î|
DËi: Ges we`¨yr cÖevngvÎv
AcwiewZ©Z _vK‡j cwievwnZv we`¨yr cÖev‡ni `iæY D™¢‚Z Zvc 
cÖevnKv‡ji
mgvbycvwZK।
cÖkœ-13:
GK wK‡jvIqvU N›Uv কি ?
DËi: GK wK‡jvIqvU ¶gZv m¤cbœ †Kvb
hš¿ GK N›Uv KvR Ki‡j †h kw³ e¨q nq ZvB GK 
wK‡jvIqvU
N›Uv।
cÖkœ-14:
1 B‡jKUªb †fvë কি?
DËi: Zwor †¶‡Îi ev Zwor eZ©‡bi
†h‡Kv‡bv GK `ywU we›`yi ga¨Kvi wef³ n‡j G‡`i GKwU n‡Z AciwU‡Z GKwU B‡jKUªb
¯’vbvšÍ‡i †h KvR Ki‡Z nq Zv‡K GK B‡jKUªb †fvë e‡j।
cÖkœ-15:
Zv‡ci hvwš¿K ¶gZv কি?
DËi: GK GKK Zvc Drcbœ Ki‡Z †h
cwigvY KvR Ki‡Z nq ev GK GKK Zvc Øviv †h cwigvY KvR Kiv hvq Zv‡K Zv‡`i hvwš¿K
mgZv e‡j|
cÖkœ-16:
Zwo”PvjK ej কি ?
 DËi: GKK
abvZ¥K PvR© †K eZ©bxi †Kvb GK we›`y †_‡K Drm mn m¤c~Y© eZ©bx Nywi‡q cybivq IB
we›`y‡Z Avb‡Z †h KvR nq ev D‡”Qi †P‡q kw³ e¨q nq Zv‡K Dr‡mi Zwo”PvjK ej e‡j|
cÖkœ-17:
Af¨všÍixY †iva ?
DËi: †Kv‡li Af¨všÍ‡i we`¨yr cÖevn
†h cwigvY evav cÖvß nq ZvB †Kv‡li Af¨všÍixY †iva।
1| cwievnxi AwZ cwievwnZv e¨vL¨v Ki ?
DËi: Avgiv Rvwb, ZvcgvÎv nªv‡mi
mv‡_ mv‡_ cwievnxi †iva nªvm †c‡Z _v‡K d‡j Gi 
cwievwnZv
e„w× †c‡Z _v‡K ZvcgvÎv Kg‡Z _vK‡j GKwU wbw`©ó ZvcgvÎvq †Kvb wbw`©ó 
cwievnxi
†iva ï‡b¨i KvQvKvwQ P‡j Av‡m ZLb GwU AwZ cwievnx‡Z cwiYZ nq cwievnxi|
2| cÖwZ cwievwnZv A¨vjywgwbqv‡gi †iv‡ai ZvcgvÎv
¸Yv¼ ej‡Z wK eyS?
 DËi: A¨vjywgwbqv‡gi
†iv‡ai ZvcgvÎv ¸Yv¼ ej‡Z †evSvq †h †iva wewkó †Kvb A¨vjywgwbqvg 
cwievnxi
ZvcgvÎv  e„w× †c‡j Gi Gi †iv‡ai gvb e„w×
cv‡e|
3| ZvcgvÎvi mv‡_ †iv‡ai cwieZ©‡bi KviY e¨vL¨v
Ki?
 DËi gy³ B‡jKUªb cÖev‡ni mgq cwievn‡Ki †Kvb
cigvYyi mv‡_ msN‡l© wjß nq G Kvi‡Y 
cwievnK
Gi †iv‡`i D™¢e N‡U ZvcgvÎv evo‡j cwievnK Gi Abyc cigvYy AwZwi³ kw³ cvq 
G‡Z
Zv‡`i K¤c‡bi cwigvY †e‡o hvq d‡j gy³ B‡jKUª‡bi mv‡_ G‡`i msNl© e„w× cvq Ges 
cÖevn
Pjvi c‡_ †ewk evavi m„wó nq G‡Z K‡i cwievn‡Ki e„w× cvq GRb¨B ZvcgvÎvi mv‡_ 
†iv‡ai
cwieZ©b N‡U
4|
†Kvb cwievnxi cwievwnZv wm‡g›U ej‡Z wK †evSvq ?
 DËi †Kvb cwievnxi cwievwnZv ej‡Z †evSvq IB
cwievn‡Ki `yB cÖv‡šÍi wefe cv_©K¨ 1 
†fvë
n‡j Zvi ga¨ w`‡q Zwor cÖevn P‡j Ges cwievnxi †iva
5|
cwievnxi ga¨ w`‡q Zwor cÖev‡ni d‡j Zvc Drcbœ nq †Kb| e¨vL¨v Ki ?
DËi:
 †Kvb cwievnxi `yB cÖv‡šÍ wefe cv_©K¨
_vK‡j cwievnxi wfZi w`‡q Zwor cÖevwnZ nq Zwor 
cÖev‡ni
mgq B‡jKUªb MwZkxj n‡j Aby cigvYyi mv‡_ msNl© jv‡M d‡j B‡jKUª‡bi MwZ evav 
cÖvß
nq GB evav AwZµg K‡i hvIqvi mgq B‡jKUªb wKQz kw³ nvivq GB nviv‡bv kw³ 
cwievnx‡Z
Zvi kw³ wn‡m‡e Avwef©ve nq G Kvi‡Y cwievnxi ga¨ w`‡q Zwor cÖev‡ni d‡j Zvc 
Drcbœ
nq
6|
 cwievnxi cwievwnZvi Dci ZvcgvÎvi cÖfve
e¨vL¨v Ki ?
DËi:
 Avgiv Rvwb GLv‡b n‡jv †iv‡ai DòZvi ¸Yv¼
 AZGe GB mgxKi‡Yi Av‡jv‡K Avgiv ej‡Z cvwi
ZvcgvÎv evo‡j Av‡cw¶K †iva ev‡o 
Ges
ZvcgvÎv Kg‡j Av‡cw¶K †iva K‡g Z‡e cwieZ©bwU mgvbycvwZK nv‡i nq bv d‡j 
ZvcgvÎv
evov‡j cwievnxi †iva †e‡o cwievwnZv K‡g Ges ZvcgvÎv Kgv‡j cwievnxi †iva 
K‡g
cwievwnZv ev‡o|
7|
ZvcgvÎvi we‡ePbvq cwievnx I Aa©cwievnxi g‡a¨ cv_©K¨ wK
DËi: ZvcgvÎvi we‡ePbvq cwievnx Ges Aa© cwievnxi g‡a¨ cv_©K¨ wb‡P †`Iqv n‡jvÑ
| 
   cwievnx  | 
  
   Aa©cwievnx  | 
 
| 
   1| mvaviY
  ZvcgvÎvq cwievnx  Zwor cwienb K‡i  | 
  
   1| mvaviY
  ZvcgvÎvq Aí cwigvY Zwor cwienb K‡i  | 
 
| 
   2| ZvcgvÎv
  evov‡j †iva ev‡o  | 
  
   2| ZvcgvÎv
  evov‡j †iv‡ai gvb K‡g  | 
 
| 
   3| ZvcgvÎv
  Kgv‡j cwievnxZv ev‡o  | 
  
   3| ZvcgvÎ
  Kgv‡j cwievnKZ¡ K‡g  | 
 
8|
 †Kvb cwievnxi †iva ej‡Z wK eySvq ?
 DËi †Kv‡bv cwievnxi †iva ej‡Z †evSvq IB
cwievnxi `yB cÖv‡šÍ wefe cv_©K¨ cÖ‡qvM Ki‡j 
cwievnxwU‡Z
Zwor cÖev‡ni m„wó n‡e|
9|
 Zwor †Kv‡li Zwo”PvjK kw³ ej‡Z wK eySvq
 DËi †Kvb †Kv‡li Zwo”PvjK kw³ ej‡Z †evSvq mvP©
†K †Kv m‡gZ †Kvb eZ©‡bi GK we›`y 
†_‡K
m¤c~Y© eZ©bx Nywi‡q Avevi IB  we›`y‡Z
Avb‡Z cwigvY KvR Ki‡Z nq
10|
eZ©bx‡Z we`¨yr cÖevn Pjvi †¶‡Î Af¨šÍixY †iv‡ai f‚wgKv wK ?
 DËi:  Zwor †Kvl hy³ †Kvb eZ©bx‡Z hLb cÖevn P‡j ZLb
cÖevn †Kv‡li wfZ‡i Zij ev 
Ab¨vb¨
c`v‡_©i ga¨ w`‡qI cÖevwnZ nq †Kv‡li wfZ‡i Zwor cÖev‡ni w`K †Kv‡li FYvZ¥K cÖvšÍ
†_‡K
abvZ¥K cv‡Zi w`‡K GB cvZ؇qi ga¨Kvi wewfbœ c`v_© Zwor cÖev‡ni weiy‡× evavi m„wó
K‡i
Gi d‡j †Kv‡li Af¨šÍixY †iv‡ai m„wó nq Avi GB Af¨šÍixY †iv‡ai gv‡bi Dci Zwor 
cÖev‡ni
gvb wbf©i K‡i †ewk n‡j Zwor cÖev‡ni gvb nªvm cvq
11|
wbivcËvi wdDPvi wb¤œ Mjbv¼ wewkó msKi avZzi Zvi e¨envi Kiv nq †Kb ?
DËi:
 wbivcËv wdDR n‡jv GKwU ¯^í‰`‡N¨©i wPKb
Zvi hv ˆe`¨ywZK eZ©bx‡Z AwaK Zwor 
cÖevn
cÖwZ‡iv‡ai Rb¨ RxešÍ Zv‡i ms‡hvM †`Iqv nq wbivcËv wd«‡R weï× avZz e¨envi Ki‡j 
Gi
ga¨ w`‡q AwaK cwigv‡Y Zwor cÖevn NU‡j ZviwU A¶Z _vK‡e d‡j GB AwaK Zwor 
cÖevn
ˆe`¨ywZK hš¿cvwZi ¶wZ mvab Ki‡e Zvi e¨envi Kiv nq hv‡Z AwZwi³ Zwor cÖevwnZ 
n‡j
wdDRwU mn‡R M‡j wM‡q ˆe`¨ywZK hš¿cvwZ‡K ¶wZi nvZ †_‡K i¶v Ki‡Z cv‡i 
12|
wefe  cv_©‡K¨i GKK e¨vL¨v Ki ?
 DËi wefe cv_©‡K¨i GKK ev ej‡Z †evSvq
 GK †m‡KÛ mgq hv‡ev †Zv †Kvb Zwor eZ©bx‡Z Zwor
cÖevwnZ Ki‡j eZ©‡bi kw³ e¨_© nq 
A_©vr
Zwor †Kvb eZ©bx‡Z cÖevwnZ n‡j Zvi ¶gZv Kvh©Ki nq
13|
D”P Af¨šÍixY †iva wewkó GKvwaK e¨vUvwii †Kvb ai‡bi ms‡hv‡M †ewk we`¨yr cÖevn
cvIqv 
hv‡e
e¨vL¨v Ki ?
 DËi Af¨šÍixY †iva wewkó msL¨K †Kvl mgvšÍiv‡ji
hy³ K‡i ewnt¯’ †Kv‡bv †iv` Gi mv‡_ 
hy³
Ki‡j eZ©bxi Zwor cÖev‡ni mgxKiY `vuovq
 GLb D”P Af¨šÍixY †iv‡ai †¶‡Î
 myZivs mgxKiYwU †jLv hvq
 A_©vr Zwor cÖevn †Kvb GKwU †Kv‡li  cÖev‡ni ¸Y
 AZGe D”P Af¨šÍixY wewkó GKvwaK e¨vUvwii mgvšÍiv‡j
ms‡hv‡M †ewk we`¨yr cÖevn cvIqv 
hvq
14|
Zwor e¨vUvwii Mv‡q †jLvi A_© e¨vL¨v Ki
DËi:
 Zwor e¨vUvwii Mv‡q †jLvi A_© e¨vUvwii
KZ©…K mieivnK…Z Zwor cÖevn Ges 
cÖevnKv‡ji
¸Ydj n‡e A_©vr e¨vUvwiwU hw` Zwor cÖevn mieivn K‡i Z‡e GwU Pj‡e
15|
 nviv‡bv †fvë ej‡Z Kx †ev‡Sv
DËi
a‡i kw³i GK Ask e¨q nq Gi Dci w`‡q Avavb Pvjbv Ki‡Z Ges evwK Ask e¨q 
nq
†Kv‡li Af¨šÍixY †iv‡ai Dci w`‡q Avavb Pvjbv Ki‡Z
myZivs
kw³i wbZ¨Zv m~Î Abymv‡i wKš‘ nj Gi `y cÖv‡šÍi wefe cv_©K¨ Ges nj Af¨šÍixY †iva 
Gi
`y cÖv‡šÍi wefe cv_©K¨ GLb Zwor cÖevn gvÎv n‡j In‡gi m~Î n‡Z cvB
 wefe cv_©K¨ g~j cÖevn PvwjZ Ki‡Z †Kvb iKg
mvnvh¨ K‡i bv e‡j ev AcPq †fvë ev 
nviv‡bv
†fvë ejv nq
 myZivs Zwo”PvjK kw³ cÖvß †fvë n‡j nviv‡bv †fvë
k~b¨ nq 
16|
wKk©‡di cÖ_g m~Î Pv‡R©i msi¶Y bxwZ †g‡b P‡j e¨vL¨v Ki
DËi
Kvm©‡di cÖ_g m~Î †_‡K Avgiv cvB we`¨yr eZ©‡bi †Kv‡bv ms‡hvM we›`y‡Z wgwjZ 
cÖevngvÎv
¸‡jvi exRMvwYwZK †hvMdj k~b¨ nq Avevi Avgiv Rvwb cÖevngvÎv n‡jv Pv‡R©i 
cÖevn
GLb ms‡hvM we›`y‡Z cÖevngvÎv ¸‡jvi †hvMdj hw` ïb¨ bv nq Zvn‡j IB we›`y‡Z Pv‡R©i
m„wó
ev aŸsm nIqv †evSvq hv PvR© Gi wbZ¨Zv m~‡Îi m¤c~Y© cwicš’x Z‡e eZ©bxi †Kv_vI
PvR©
mwÂZ
n‡Z cv‡i bv wKš‘ GB m~Î Abymv‡i cÖ_g m~Î Pv‡R©i msi¶Y bxwZ †g‡b P‡j
17|
kv‡›Ui †iva ïb¨ ev Amxg nq wKbv e¨vL¨v Ki
DËi
AwaK cwigvY cÖevn wM‡q hv‡Z M¨vjfv‡bvwgUv‡ii ev m~² I my‡e`x ˆe`¨ywZK hš¿ †K bó
Ki‡Z
bv cv‡i Zvi Rb¨ h‡š¿i mv‡_ mgvšÍiv‡j mgvb ¯^ígv‡bi †h †iv` hy³ Kiv nq ZvB 
kv‡›Ui
cÖavb KvR njf¨v‡bvwgUv‡ii we`¨yr cÖevn eªvk K‡i G‡K AwZ we`¨yr cÖevn RwoZ ¶wZi 
nvZ
†_‡K i¶v Kiv mgvšÍiv‡j ms‡hvM †`Iqv nq hv‡Z AwZwi³ Zwor cÖevn kv‡›Ui ga¨ 
w`‡q
cÖevwnZ n‡Z cv‡i k~b¨ n‡j m¤c~Y© cÖevnB kv›U Gi wfZi w`‡q cÖevwnZ n‡e 
M¨vjfv‡bvwgUv‡ii
ga¨ w`‡q †Kvb cÖevwnZ n‡e bv Ab¨w`‡K kv‡›Ui †iva Amxg n‡j m¤c~Y© 
cÖevnB
M¨vjfv‡bvwgUv‡ii ga¨ w`‡q cÖevwnZ n‡e e¨env‡ii D‡Ïk¨ e¨vnZ n‡e ZvB kv‡›Ui 
†iv‡ai
gvb k~Y¨ ev Amxg nq bv 
18|
ˆe`¨ywZK hš¿cvwZ‡Z kv›U e¨envi Kiv nq †Kb e¨vL¨v Ki
DËi
AwaK cwigvY Zwor cÖevn wM‡q hv‡Z M¨vjfv‡bvwgUv‡ii ev m~² I my‡e`x ˆe`¨ywZK hš¿ 
†K
bó Ki‡Z bv cv‡i Zvi Rb¨ h‡š¿i mv‡_ mgvšÍiv‡ji ¯^ígv‡bi †h †iva hy³ Kiv nq ZvB 
kv›U
Gi cÖavb KvR nj wgUv‡ii we`¨yr cÖevn n«vm Kiv G‡K AwZ we`¨yr cÖevn RwbZ ¶wZi
nvZ 
†_‡K
i¶v Kiv kv›U‡K eZ©bx‡Z mgvšÍiv‡ji ms‡hvM †`Iqv nq hv‡Z AwZwi³ cÖevn kv‡›Ui ga¨ 
w`‡q
cÖevwnZ n‡Z cv‡i
19|
miæ avZzi Zvi‡K kv›U wn‡m‡e e¨envi Kiv nq †Kb e¨vL¨v Ki
DËi
Zv‡ii cÖ¯’‡”Q‡`i †¶Îd‡ji e¨¯ÍvbycvwZK A_©vr Zv‡ii †¶Îdj Kg n‡j †iva †ewk nq 
miæ
avZe Zvi‡K kv›U wn‡m‡e e¨envi Ki‡j Zv‡ii †iv‡ai gvb †ewk nq d‡j Gi ga¨ w`‡q 
AwaK
gv‡bi Zwor cÖevwnZ n‡Z cv‡ibv wn‡m‡e e¨envi Kiv nq bv
20|
kv›U wKfv‡e M¨vjfv‡bvwgUvi †K i¶v K‡i
DËi
AwaK cwigvY cÖevn wM‡q hv‡Z M¨vjfv‡bvwgUvi ev m~² I my‡e`x ˆe`¨ywZK hš¿ †K bó 
Ki‡Z
bv cv‡i Zvi Rb¨ h‡š¿i mv‡_ mgvš—iv‡j ¯^ígv‡bi †h †iv` hy³ Kiv nq ZvB kv‡›Ui 
cÖavb
KvR nj wgUv‡ii we`¨yr cÖevn eªvk K‡i G‡K AwZ we`¨yr cÖevn RwbZ ¶wZi nvZ †_‡K 
i¶v
Kiv wb‡Z mgvšÍiv‡j ms‡hvM †`Iqv nq hv‡Z AwZwi³ cÖevn kv‡›Ui ga¨ w`‡q cÖevwnZ
n‡Z 
cv‡i  Gfv‡eB kv›U M¨vjfv‡bvwgUvi †K i¶v K‡i
21|
M¨vjfv‡bvwgUvi †K wKfv‡e GwgUvi wn‡m‡e e¨envi Kiv hvq
DËi
†h‡nZz A¨vwgUvi †K eZ©bx‡Z †kªYx mgevq hy³ Ki‡Z nq ZvB Gi †iva eZ©bx‡Z 
Kvh©Ki
nq d‡j eZ©bxi cÖev‡ni gvb cwiewZ©Z n‡Z cv‡i GRb¨ M¨vjfv‡bvwgUv‡ii KzÛjxi 
mv‡_
mgvšÍivj mgevq GKwU Aí gv‡bi †iva Zvi kv›U wn‡m‡e hy³ Kiv nq G‡Z h‡š¿i 
Zzj¨‡iva
Lye Kg nq| d‡j A¨vwgUvi eZ©bx‡Z hy³ Ki‡j eZ©bx‡Z cÖev‡ni Kvh©Z †Kvb cwieZ©b nq
bv Ges cÖev‡ni GKwU ¶z`ª Ask gvÎ KzÛjxi †fZi w`‡q cÖevwnZ nq Ges hš¿wU bó nIqv
nvZ †_‡K i¶v cvq
22|
Zwor eZ©bx‡Z A¨vwgUvi †K †kªYx‡Z hy³ Kiv nq †Kb e¨vL¨v Ki
DËi
Zwor eZ©bx‡Z A¨vwgUvi †kªYx‡Z hy³ Kiv nq KviY GwgUv‡i Af¨šÍixY †iva Gi 
Zzjbvq
evB‡i †iva A‡bK eo nq mgvšÍiv‡j hy³ Ki‡j cÖevwnZ Gi ga¨ w`‡q cÖevwnZ n‡e 
d‡j
mgMÖ eZ©bx‡Z A‡c¶vK…Z Kg Zwor cÖevwnZ n‡e ZvB mgMÖ eZ©‡bi cÖevn wbY©q Kiv m¤¢e 
n‡e
bv †kªYxi mshy³ Ki‡j GKB cÖevn Ab¨vb¨ †iva I wgUv‡ii ga¨ w`‡q cÖevwnZ n‡e ZvB 
Zwor
eZ©bx‡Z hy³ Kiv nq 
23|
ûBU†÷vb eªx‡Ri fvimvg¨ Ae¯’v e¨vL¨v Ki
DËi
hLb weª‡Ri we›`yi wefe mgvb nq A_©vr nq ZLb M¨vjfv‡bvwgUv‡ii ga¨ w`‡q †Kvb 
Zwor
cÖevwnZ nq bv d‡j M¨vjfv‡bvwgUv‡ii KvUv †Kv‡bv we‡¶c †`q bv GB Ae¯’vq weª‡Ri 
fvimvg¨
Ae¯’vq wbtmc›` Ae¯’v e‡j GB Ae¯’vq †h‡Kv‡bv wZbwU evûi †iva Rvbv _vK‡j Rvbv 
hvq
24|
D”Pgv‡bi †iva cwigv‡c ûB‡Ukb eªxR e¨envi Kiv nq wK? e¨vL¨v Ki
DËi:
D”Pgv‡bi †iva cwigvc Ki‡Z †M‡j Zwor cÖevn Lye Kg nq d‡j M¨vjfv‡bvwgUvi †K Lye 
m~²
n‡Z nq bv n‡j M¨vjfv‡bvwgUvi we‡¶c w`‡e bv hw`I Gi g‡a¨I w`‡q Lye m~² Zwor 
cÖevwnZ
n‡e A_©vr e„wó fvimvg¨nxb _vK‡jI M¨vjfv‡bvwgUviwU k~b¨ Zwor cÖevn †`Lv‡e  d‡j 
GB
Ae¯’vq †h †iva cwigvc Kiv n‡e Zv mwVK n‡e bv 
ZvB D”Pgv‡bi †iva cwigv‡c nB‡Z 
Pvb
weªR e¨envi Kiv nq bv
25|  wgUvi weª‡Ri cÖvšÍ ms‡kvab Kiv nq †Kb ?
DËi: wgUvi weªR Zv‡ii `yB cÖv‡šÍi avZe cv‡Zi mv‡_ SvjvB K‡i jvMv‡bv _v‡K d‡j SvjvB 
Avi
`iæb cÖv‡šÍ wKQz †iva Av‡m ZvQvov Zvgv wcZ‡ji cv‡Z wKQz †iva _v‡K GgbwK cvwU©I
wVK 
GK
wgUvi bvI _vK‡Z cv‡i Gme Kvi‡Y a‡i †bIqv nq Zv‡`i `yB cÖv‡šÍ wKQz †iva AšÍf©z³ 
nq
djvdj ÎywUc~Y© nq, G Kvi‡Y G‡K cÖvšÍ ÎywU ejv nq। GB ÎywU `~i Kivi Rb¨B wgUvi 
weª‡Ri
cÖvšÍ ms‡kvab Kiv nq। 
সৃজনশীল প্রশ্ন প্র্যাক্টিস্ অংশ
1| wb‡Pi eZ©bx‡Z I `ywU mgvšÍivj
cvZ aviK hy³ Kiv n‡q‡Q hv‡`i c«wZwUi `yB cv‡Zi e¨eavb Ges aviKZ¡ cieZ©x‡Z aviK‡K
KvMR Øviv c~Y© Kiv n‡jv Ges Gi wVK gvSLv‡b mgvšÍivj cv‡Zi Abyiƒc cvZjv cvZ
c«‡ek Kiv‡bv n‡jv 
(K) M‡mi m~Î wee„Z Ki|
(L) Avav‡bi †Kvq›Uvqb e¨vL¨v Ki|
(M) avi‡Ki c«wZ cv‡Zi ‡¶Îdj wbY©q Ki| 
(N) aviK `ywU‡Z KvMR I cvZ  c«‡ek Kiv‡bvi ci eZ©bxi mwÂZ Zwor kw³i wKiƒc
cwieZ©b n‡e MvwYwZK e¨vL¨v `vI
2| wP‡Î GKwU dvucv cwievnx
‡Mvj‡Ki c…‡ô +30C
PvR© mylg fv‡e ew›UZ ‡K›`« n‡Z O, A
I B we›`yi `~iZ¡ h_vµ‡g 0.3m I 0.8m
(K) Zwor wefe Kv‡K e‡j
(L) c…w_exi wefe k~b¨ aiv nq ‡Kb
 (M) cwievnxwUi
aviKZ¡ wbY©q Ki
(N)  DÏxc‡Ki D‡jøwLZ ‡Mvj‡Ki O, A I B
we›`y‡Z wefe Awfbœ n‡e wKbv MvwYwZK we‡køl‡Yi gva¨‡g ‡Zvgvi Dˇii mZ¨Zv hvPvB
Ki 
3| e¨envwiK cix¶vq wk¶K c«wZwU 180 µF gv‡bi wZbwU aviK w`‡q k¨vgjx‡K Zv‡`i ‡k«Yx
mgev‡qi mv‡_ GKwU 3V Gi
Zwor ‡Kvl mshy³ K‡i eZ©bx ‰Zwi Ki‡Z ej‡jb ‡ikgv‡K 3V Gi wZbwU Zwor ‡Kvl w`‡q mgvšÍivj mgevq Ges
mgev‡qi mv‡_ 50Ω gv‡bi GKwU ‡iva hy³ Ki‡Z ej‡jb wk¶K k¨vgjx‡K
c~Y© b¤^i w`‡jI ‡ikgv‡K k~b¨ w`‡jb 
D‡jøL¨ ‡ikgv eZ©‡bi gZ Zwor c«evn ‡c‡qwQj 0.18A.
(K) civ- we`¨yr ev WvB B‡jKwU«K wK ?
(L) kv‡›Ui KvR e¨vL¨v Ki|
(M)  k¨vg‡ji eZ©bx‡Z mwÂZ ‰e`¨ywZK wefe kw³i cwigvY
wbY©q Ki?
(N)  ‡ikgv wK fyj K‡iwQj mwVK eZ©bx G‡K eZ©‡bi
c«evngvÎv wbY©q Ki ?

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