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Class 8 science chapter 9 lesson 3
1.
সবাইকেশুকেচ্ছা
2.
পরিচয় রিতাপািরেন সহোরিরিক্ষে সাধািণরবজ্ঞানরবোগ শ্রেরণ :-অষ্টম অধযায়ঃ-নবম
3.
শ্রেরিরেিন সুইচ িাইে
4.
5.
অযারমোি,শ্রোল্ট রমোি,রিউজ তাি,রবদ্যৎঅপচয় শ্রিাধ
6.
এই পাঠশ্রিকে রিক্ষার্থীিা
… অযারমোি,শ্রোল্টরমোিেী তা বিকতপািকব রিউজতাি েী তাবিকত পািকব রবদ্যযৎ অপচয় শ্রিাধ েিকত পািকব।
7.
অযারমোি শ্রোল্টরমোি v
8.
9.
শ্রমইন সুইচ িাইে বযাোরি
িাইে
10.
11.
ফিউজ তারেে মান ৫আরিয়াি ৫আরিয়াি
৫আরিয়াি ৫আরিয়াি১৫আরিয়াি
12.
নষ্টশ্রেরিরেিন শ্রেসাি কুোি রবদ্যযকতিোর্যেি বযবহাি
13.
িাইে শ্রপাষ্ট আর
াক সজ্জা
14.
শ্রজনাকিেিচু িা
15.
শ্র াে পরিবাি ছ
াট ফিজ বড় রিজ
16.
ইরিনচািাকনা নষ্ট গারড় চািাকনা
এরস োপড়শুোকনা অপচয় শ্রিাকধ সকচতনতা
17.
সতয ে
18.
রিউজ তাি বযবহাকিির্ুরিেতা
রবকেেণ েকিা। দ্িীয় োজ
19.
শ্রোল্ট রমোি েী
? রিউজ তাি েী? রিউজ তাি শ্রেন বযবহাি েিা হয়? েীোকব রবদ্যযৎ অপচয় শ্রিাধ েিা র্ায়?
20.
বারড়িোজ শ্রতামাি বারড়কতবযবহৃত ইকিেট্ররনে
র্ন্ত্রপারতি শ্রোনোেত আরিয়াি েকয়াজন তাি তারিো ততরি েি।
21.
ধনযবাদ রবদ্যযৎঅপচয় শ্রিাধ েরি,শ্রদ্কিি
সিদ্ িক্ষা েরি।
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