If a wire is stretched to quadruple its length without changing its area, what will happen to its resistivity?
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Correct answer: (C) It remains the same.
Correct answer: (C) It remains the same.
This is question 85 of RRB JE CBT-1 PYQ 16 Dec 2024, Shift 2 (12:45 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.