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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
- A potentiometer wire of length 100cm has a resistance of 10Ω. It is connected in series
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- The energy released by the fission of one uranium atom is 200 MeV.
- For photoelectric emission to take place
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Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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