engineering

1. স্বাগতম

2. চীফইন্সট্রাক্টর(ইলেকট্রিকযাে)
রংপুর টেকনিকযােস্কু েও কলেজ,রংপুর
Teacher’s Identity
টমাোঃ আব্দুস সাোম

3. STUDENT’S IDENTITY
Class-Nine
Trade- General Electrical Works

4. 1. ˆe`y¨wZK cvIqvi Kv‡Ke‡j?
2. ˆe`y¨wZK cvIqvi Gi mv‡_ Kv‡i›U I †fv‡ë‡Rim¤úK©Kx?
3. ˆe`y¨wZK cvIqvi Gi GKKKx?
c‚e©cvVAv‡jvPbv

5. AvR‡Ki cvV
Sub: General Electrical Works-1 (1st Part)
ˆe`y¨wZKGbvwR©
(Aa¨vq -17)

6. নিখিফে
এই পাঠ টিলে নিক্ষার্থীiv---
 ˆe`y¨wZK GbvwR© নকতা বেলত পারলব।
 ˆe`y¨wZK GbvwR© cwigv‡ci e¨envwiKGKK বেলত পারলব ।
 ˆe`y¨wZK cvIqvi I GbvwR©i g‡a¨m¤úK©বেলত পারলব|
 ˆe`y¨wZK GbvwR© cwigvcK h‡š¿i bvg বেলত পারলব ।
 GKwU evwoi GK gv‡mi ˆe`y¨wZK wej‰Zix Ki‡Zপারলব।

7. ˆe`y¨wZK GbvwR©
 ˆe`y¨wZKGbvwR©nÕj ˆe`y¨wZKcvIqviGesGcvIqvi†Kvb
mvwK©‡UhZmgqKvRKi‡Q†mmg‡qi¸Ydj|
myZivs ˆe`y¨wZK GbvwR© =ˆe`y¨wZK cvIqvi mgq|
‡Kvb ˆe`y¨wZK eZ©bx‡ZV ‡fvë Pv‡c t mg‡qI Kv‡i›UcÖevwnZ n‡j
ˆe`y¨wZK GbvwR© E = VIt Ryj = P  t IqvU-‡m‡KÛ|

8. ˆe`y¨wZK cvIqviI GbvwR©ig‡a¨m¤úK©
 ˆe`y¨wZK GbvwR© E = P  t IqvU-‡m‡KÛ|
ˆe`y¨wZK cvIqvi‡K mgq Øviv ¸b Ki‡jGbvwR© cvIqv hvq|

9. ˆe`y¨wZK GbvwR©iGKK
ˆe`y¨wZKGbvwR©i GKK IqvUAvIqvi ev wK‡jvIqvUAvIqvi ev
BDwbU|
ˆe`y¨wZK GbvwR© cwigvcKh‡š¿i bvg GbvwR©wgUvi|

10. GbvwR©wgUvi

11. নসংলগেটফজ GbvwR© wgUv‡ii ms‡hvM
নসংলগেটফজGbvwR©wgUv‡ii ms‡hvMwPÎ
L
N
Kv‡i ›U K‡qj
†cÖmvi K‡qj
mieivn †jvW
wK‡jvIqvU
AvIqvi wgUvi
Supply Load
L
N

12. GKwU evwoi GK gv‡mi ˆe`y¨wZK wej ‰Zix
GKwU evox‡Z 60 IqvU Gi 3 wU evwZ, 40 IqvU Gi2wU d¬z‡i‡m›U
evwZ, 80 IqvU Gi 2wU cvLv Ges 750 IqvU Gi GKwU Bw¯¿ Av‡Q|
evwZI cvLvi †jvW¸‡jv ˆ`wbK M‡o 6 N›Uv K‡iKvR K‡iGes ˆe`¨ywZK
Bw¯¿ ˆ`wbK M‡o 1 N›Uv K‡i KvRK‡i|hw` mieivn †fv‡ëR230 †fvë
nq Ges cÖwZ BDwbU GbvwR© LiP4.50 UvKv nq, Z‡e 2020 mv‡ji
gvP© gv‡miwe`y¨Z wej KZn‡e?

13. wej
 60 IqvU Gi 3wU evwZ KZ©„K GbvwR© LiP = 60IqvU 3wU6N›Uv=1080IqvU N›Uv
 40 IqvU Gi 2wU d¬z‡i‡m›U evwZKZ©„KGbv:LiP= 40IqvU 2wU6N›Uv=480IqvU N›Uv
 80 IqvU Gi 2wU cvLv KZ©„K GbvwR© LiP = 80IqvU 2wU6N›Uv= 960IqvU N›Uv
 750 IqvU Gi 1wU Bw¯¿ KZ©„K GbvwR© LiP =750IqvU1wU1N›Uv =750IqvU N›Uv
Hevoxi GKw`‡bi GbvwR© LiP = 3260IqvU N›Uv

14. wej
 GKw`‡b†gvUGbvwR© LiP = 3260IqvUN›Uv
= 3260IqvUAvIqvi
= 3.26wK‡jvIqvUAvIqvi
= 3.26 BDwbU
2020 m‡bi gvP© gv‡m H evoxi wej: [gvP©gvm31w`‡bnq]
= 3.26 BDwbU  31w`b  4.50 UvKv
= 454.77 UvKv|
DËi: 454.77 UvKv|

15. মূেযায়ি
 GbvwR© cwigv‡cie¨envwiK GKKKx?
 GbvwR© wgUv‡i KqwUK‡qj_v‡K?

16.  †Zvgvi evwoi evwZ, cvLv, wd«R, cvwbi cv¤úhy³ ˆe`y¨wZK †gvUi Ges
Ab¨vb¨ †h †jvW¸‡jv Av‡Q †m ‡jvW¸‡jv wn‡me K‡i†Zvgvi evwoi 2020 mv‡ji
‡deªæqvix gv‡mi ˆe`y¨wZK wej ‰ZixK‡i AvMvgx K¬v‡k †`Lv‡Z n‡e| (cÖwZ
BDwb‡Ui g~j¨ 4.50 UvKv)|
বানির কাজ
 ˆe`y¨wZK GbvwR© Aa¨v‡qi cÖkœ¸‡jvi DËi †mkbvj LvZvq wjL‡Z n‡e Ges
‡Zvgvi evwoi GKgv‡mi GKwU ˆe`¨ywZKwej LvZvq Ki‡Z n‡e|

17. AvMvgxK¬v‡kiAv‡jvPbv
†Rbv‡ijB‡jKwUªK¨vj IqvK©m-2 (cÖ_g cÎ)
(DbweskAa¨vq)
Avw_©s

18. ‡Zvgivevmvq†_‡Kv
my¯’†_‡Kv
covi†Uwe‡j†_‡Kv
ab¨ev`