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If a negligibly small current is passed through awire of length 15 m and of resistance 5Ω havinguniform cross-section of 6 × 10–7 m2 , thencoefficient of resistivity of material, is [1996]
  • a)
    1 × 10–7 Ω-m
  • b)
    2 × 10–7 Ω-m
  • c)
    3 × 10–7 Ω-m
  • d)
    4 × 10–7 Ω-m
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
If a negligibly small current is passed through awire of length 15 m a...
Given : Length of wire (l) = 15m
Area (A) = 6 × 10–7 m2
Resistance (R) = 5Ω.
We know that resistance of the wire material
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If a negligibly small current is passed through awire of length 15 m and of resistance 5Ω havinguniform cross-section of 6 × 10–7 m2 , thencoefficient of resistivity of material, is [1996]a)1 × 10–7 Ω-mb)2 × 10–7 Ω-mc)3 × 10–7 Ω-md)4 × 10–7 Ω-mCorrect answer is option 'B'. Can you explain this answer?
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If a negligibly small current is passed through awire of length 15 m and of resistance 5Ω havinguniform cross-section of 6 × 10–7 m2 , thencoefficient of resistivity of material, is [1996]a)1 × 10–7 Ω-mb)2 × 10–7 Ω-mc)3 × 10–7 Ω-md)4 × 10–7 Ω-mCorrect answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about If a negligibly small current is passed through awire of length 15 m and of resistance 5Ω havinguniform cross-section of 6 × 10–7 m2 , thencoefficient of resistivity of material, is [1996]a)1 × 10–7 Ω-mb)2 × 10–7 Ω-mc)3 × 10–7 Ω-md)4 × 10–7 Ω-mCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If a negligibly small current is passed through awire of length 15 m and of resistance 5Ω havinguniform cross-section of 6 × 10–7 m2 , thencoefficient of resistivity of material, is [1996]a)1 × 10–7 Ω-mb)2 × 10–7 Ω-mc)3 × 10–7 Ω-md)4 × 10–7 Ω-mCorrect answer is option 'B'. Can you explain this answer?.
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