| ⇦ | 
| ⇨ |
Two metal wires of identical dimensions are connected in series. If σ₁ and σ₂ are the conductivities of the metal wires respectively, the effective conductivity of the combination is
Options
(a) σ₁+ σ₂/σ₁ σ₂
(b) σ₁ σ₂/σ₁+ σ₂
(c) 2σ₁ σ₂/σ₁+ σ₂
(d) σ₁+ σ₂/2σ₁ σ₂
Correct Answer:
2σ₁ σ₂/σ₁+ σ₂
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A spherical planet has a mass Mp and diameter Dp. A particle of mass
- A machine gun fires 10 bullets/s,each of mass 10 g,the speed of each bullet
- The radius of a planet is twice the radius of earth. Both have almost
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
- A particle moving in a straight line covers half the distance with speed of 3 m/s
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A spherical planet has a mass Mp and diameter Dp. A particle of mass
- A machine gun fires 10 bullets/s,each of mass 10 g,the speed of each bullet
- The radius of a planet is twice the radius of earth. Both have almost
- Two bodies of mass 10 kg and 5 kg moving in concentric orbits of radius
- A particle moving in a straight line covers half the distance with speed of 3 m/s
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