| ⇦ | 
| ⇨ |
The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then
Options
(a) The resistance will be doubled and the specific resistance will be halved
(b) The resistance will be halved and the specific resistance will remain unchanged
(c) The resistance will be halved and the specific resistance will be doubled
(d) The resistance and the specific resistance both will remain unchanged
Correct Answer:
The resistance will be halved and the specific resistance will remain unchanged
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm
- Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
- A particle moves with constant speed v along a circular path of radius r and completes
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
- The quantity having the same units in all systems of unit is
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm
- Ratio of the radii of the nuclei with mass numbers 8 and 27 would be
- A particle moves with constant speed v along a circular path of radius r and completes
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
- The quantity having the same units in all systems of unit 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