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If the resistance of a conductor is 5 Ω at 50oC and 7 Ω at 100oC, then the mean temperature coefficient of resistance of the material is
  • a)
    0.001oC-1
  • b)
    0.004 oC-1
  • c)
    0.006oC-1
  • d)
    0.008 oC-1
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
If the resistance of a conductor is 5 Ω at 50oC and 7 Ω at...
Given data:
Resistance at 50°C (R1) = 5 Ω
Resistance at 100°C (R2) = 7 Ω

Formula:
The mean temperature coefficient of resistance (α) can be calculated using the formula:
α = (R2 - R1) / (R1 * (T2 - T1))

Calculations:
Given:
R1 = 5 Ω
R2 = 7 Ω
T1 = 50°C
T2 = 100°C
Substitute the values in the formula:
α = (7 - 5) / (5 * (100 - 50))
α = 2 / (5 * 50)
α = 2 / 250
α = 0.008°C-1
Therefore, the mean temperature coefficient of resistance of the material is 0.008°C-1, which corresponds to option 'D'.
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If the resistance of a conductor is 5 Ω at 50oC and 7 Ω at 100oC, then the mean temperature coefficient of resistance of the material isa)0.001oC-1b)0.004oC-1c)0.006oC-1d)0.008oC-1Correct answer is option 'D'. Can you explain this answer?
Question Description
If the resistance of a conductor is 5 Ω at 50oC and 7 Ω at 100oC, then the mean temperature coefficient of resistance of the material isa)0.001oC-1b)0.004oC-1c)0.006oC-1d)0.008oC-1Correct answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about If the resistance of a conductor is 5 Ω at 50oC and 7 Ω at 100oC, then the mean temperature coefficient of resistance of the material isa)0.001oC-1b)0.004oC-1c)0.006oC-1d)0.008oC-1Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If the resistance of a conductor is 5 Ω at 50oC and 7 Ω at 100oC, then the mean temperature coefficient of resistance of the material isa)0.001oC-1b)0.004oC-1c)0.006oC-1d)0.008oC-1Correct answer is option 'D'. Can you explain this answer?.
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