| ⇦ | 
| ⇨ |
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 thermo e.m.f. E in volts of a certain thermocouple is found to vary
- If the self inductance of 500 turn coil is 125 mH, then the self inductance
- A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively, as shown
- Which dimensions will be the same as that of time?
- The rest energy of an electron is
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The thermo e.m.f. E in volts of a certain thermocouple is found to vary
- If the self inductance of 500 turn coil is 125 mH, then the self inductance
- A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively, as shown
- Which dimensions will be the same as that of time?
- The rest energy of an electron is
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