Q. Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m.

  • (A) 40
  • (B) 4000
  • (C) 80
  • (D) 2000
✅ Correct Answer: (A) 40

Published by Jitendra Singh ⭐ 7.50K Points at 27-Mar-2022 07:55 pm in Physics

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