মুক্ত ইলেকট্রন, হোল ও ভ্যালেন্স ইলেকট্রন কি?।।What is Free electron,Hole and Valance electron।।

[@salimoffset3001]

Nice.

[@SKonlinetips]

Polytechnic students for best video💚💚💚💚💚💚

[@onlineengineeringclassroom774]

ধন্যবাদ...

[@shahtarekrhaman7600]

Nice

[@dynamic.sb-728]

Very nice online learning

[@AsminaBiBi-q1j]

❤️

[@RobiulIslam-vd1vs]

nice

[@abdullahallkafi4281]

স্যার আমি আব্দুল্লাহ🥰আপনার কলেজের ছাএ 🥰খুব সুন্দর ভাবে বুঝিয়েছেন ধন্যবাদ ❤❤❤❤

[@onlineengineeringclassroom774]

সাথে থাকার জন্য অসংখ্য ধন্যবাদ।

[@aritradutta3547]

Free electron gulor oor parrnt atom er upor attraction kaj korbe na to ??

[@onlineengineeringclassroom774]

While an electron free from its parent then it becomes completely free. No attraction will be occurred.

[@aritradutta3547]

Sir mane free electron holo valance electron gulo sufficient energy gain kore conduction band e jay and free hoye oor parent atom theke beriye giye crystal er moddhe free bhabe randomly move kore .aar electric field apply korle ota crystal er surface theke conduct hote start kore .sir thik bollam to ?? Ektu dekhe bolben please

[@aritradutta3547]

Free electron gulo oor parent atom theke leave kore jay to ??

[@aritradutta3547]

Sir 1ekta question chilo

[@aritradutta3547]

Bolchi