| ⇦ | 
| ⇨ |
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: - The difference in the variation of resistance with temperature in a metal
- A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected
- A particle moves along the x-axis such that its co-ordinate (x) varies with time (t)
- A speeding motorcyclist sees traffic jam ahead him. He slows down to 36 km per hour
- In a P-N junction
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The difference in the variation of resistance with temperature in a metal
- A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected
- A particle moves along the x-axis such that its co-ordinate (x) varies with time (t)
- A speeding motorcyclist sees traffic jam ahead him. He slows down to 36 km per hour
- In a P-N junction
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