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A 1m long wire of diameter 0.31 mm has a resistance of 4.2Ω. If it is replaced by another wire of same material of length 1.5m and diameter 0.155 mm, then the resistance of wire is
Options
(a) 25.2Ω
(b) 0.6Ω
(c) 26.7Ω
(d) 0.8Ω
Correct Answer:
25.2Ω
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In n-type semiconductor, electrons are majority charge carriers
- The radius of gyration of a solid sphere of radius r about a certain axis is r
- An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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