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1. নিম্নর কোন ক্ষেত্রে রোধের মান অপরিবর্তিত থাকবে?

  • A. Both length and cross sectional area are double
  • B. Both length and cross sectional area are double
  • C. Both length and cross sectional area are double
  • D. Both length and cross sectional area are double

Answer: Option A

Explanation:


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