| ⇦ | 
| ⇨ |
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: - The point of suspension λ of a simple pendulum with normal time period T₁ is moving
- Calculate the focal length of a reading glass of a person, if the distance
- An observer moving away from a stationary source. The observed frequency is half
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- A p-n photodiode is made of a material with a band gap of 2.0 eV
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The point of suspension λ of a simple pendulum with normal time period T₁ is moving
- Calculate the focal length of a reading glass of a person, if the distance
- An observer moving away from a stationary source. The observed frequency is half
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- A p-n photodiode is made of a material with a band gap of 2.0 eV
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