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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.
Related Questions: - A parallel plate condenser with a dielectric of dielectric constant K between the plates
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A parallel plate condenser with a dielectric of dielectric constant K between the plates
- The wavelength of X-rays is in the range
- 64 drops of mercury, each charged to a potential of 10 V, are combined
- Which of the following physical quantities has neither dimensions nor unit
- A 70 kg man stands in contact against the inner wall of a hollow cylindrical drum
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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