| ⇦ | 
| ⇨ |
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 thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens
- If force is proportional to square of velocity, then the dimension of proportionality
- A parallel plate air capacitor has capacity C, distance of seperation between plate
- A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire
- Energy bands in solids are a consequence of
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens
- If force is proportional to square of velocity, then the dimension of proportionality
- A parallel plate air capacitor has capacity C, distance of seperation between plate
- A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire
- Energy bands in solids are a consequence of
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