| ⇦ | 
| ⇨ |
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: - The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
- Electromagnets are made of soft iron because soft iron has
- Two cities are 150 km apart. Electric power is sent from one city to another city
- Across a metallic conductor of non-uniform cross-section, a constant potential
- Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
- Electromagnets are made of soft iron because soft iron has
- Two cities are 150 km apart. Electric power is sent from one city to another city
- Across a metallic conductor of non-uniform cross-section, a constant potential
- Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply