নিচের মধ্যে কোন উপাদানটি বিদ্যুতের সুপরিবাহী?

This question was previously asked in
ALP CBT 2 Electrician Official Paper (Held On: 23 Jan 2019 Shift 3)
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  1. রুপা 
  2. কাঁচ 
  3. চীনামাটির বাসন
  4. রাবার 

Answer (Detailed Solution Below)

Option 1 : রুপা 
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General Science for All Railway Exams Mock Test
20 Qs. 20 Marks 15 Mins

Detailed Solution

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  • সুপরিবাহী হল এমন উপাদান যা তাদের মধ্য দিয়ে বিদ্যুৎকে যেতে দেয়। ইলেকট্রনগুলি তাদের ভিতরে অবাধে চলাচল করে।
  • সুপরিবাহীর কিছু সাধারণ উদাহরণ হল-রুপা ,তামা , অ্যালুমিনিয়াম, টংস্টেন, নিকেল ইত্যাদি।
  • কুপরিবাহীর হল এমন উপাদান যা তাদের মধ্য দিয়ে বিদ্যুৎ যেতে দেয় না। কুপরিবাহীর ইলেকট্রন অবাধে চলাচল করে না।
  • বিদ্যুৎ বা অন্তরকের কুপরিবাহীর কিছু সাধারণ উদাহরণ হল- রাবার, গ্লাস, কাঠ, চীনামাটির বাসন, বেকেলাইট ইত্যাদি।
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