| ⇦ | 
| ⇨ |
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: - Two spheres of mass m and M are situated in air and the gravitational force
- At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
- What is the energy of photon whose wavelength is 6840 Å?
- The nuclei of which one of the following pairs of nuclei are isotones?
- If the wavelength of incident light falling on a photosensitive material decreases,
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two spheres of mass m and M are situated in air and the gravitational force
- At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
- What is the energy of photon whose wavelength is 6840 Å?
- The nuclei of which one of the following pairs of nuclei are isotones?
- If the wavelength of incident light falling on a photosensitive material decreases,
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