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The electric resistance of a certain wire of iron is  R. If its length and radius are both doubled then
  • a)
    the resistance will be halved and the specific resistance will be doubled
  • b)
    the resistance will be doubled and the specific resistance will be halved 
  • c)
    the resistance and the specific resistance will both remain unchanged
  • d)
    the resistance will be halved and the specific resistance will remain unchanged
Correct answer is option 'D'. Can you explain this answer?
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The electric resistance of a certain wire of iron isR. If its length a...
The correct answer is: the resistance will be halved and the specific resistance will remain unchanged
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The electric resistance of a certain wire of iron isR. If its length and radius are both doubled thena)the resistance will be halved and the specific resistance will be doubledb)the resistance will be doubled and the specific resistance will be halvedc)the resistance and the specific resistance will both remain unchangedd)the resistance will be halved and the specific resistance will remain unchangedCorrect answer is option 'D'. Can you explain this answer?
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The electric resistance of a certain wire of iron isR. If its length and radius are both doubled thena)the resistance will be halved and the specific resistance will be doubledb)the resistance will be doubled and the specific resistance will be halvedc)the resistance and the specific resistance will both remain unchangedd)the resistance will be halved and the specific resistance will remain unchangedCorrect answer is option 'D'. Can you explain this answer? for Physics 2024 is part of Physics preparation. The Question and answers have been prepared according to the Physics exam syllabus. Information about The electric resistance of a certain wire of iron isR. If its length and radius are both doubled thena)the resistance will be halved and the specific resistance will be doubledb)the resistance will be doubled and the specific resistance will be halvedc)the resistance and the specific resistance will both remain unchangedd)the resistance will be halved and the specific resistance will remain unchangedCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Physics 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The electric resistance of a certain wire of iron isR. If its length and radius are both doubled thena)the resistance will be halved and the specific resistance will be doubledb)the resistance will be doubled and the specific resistance will be halvedc)the resistance and the specific resistance will both remain unchangedd)the resistance will be halved and the specific resistance will remain unchangedCorrect answer is option 'D'. Can you explain this answer?.
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