| ⇦ | 
| ⇨ |
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 condenser of capacity C is charged to a potential difference of V₁. The plates
- The force of repulsion between two electrons at a certain distance is F.
- A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy
- The kinetic energy needed to project a body of mass m from the surface of earth
- Laser light is considered to be coherant because it consists of
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A condenser of capacity C is charged to a potential difference of V₁. The plates
- The force of repulsion between two electrons at a certain distance is F.
- A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy
- The kinetic energy needed to project a body of mass m from the surface of earth
- Laser light is considered to be coherant because it consists 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