| ⇦ | 
| ⇨ |
Two cells, having the same e.m.f. are connected in series through an external resistance R. Cells have internal resistances r₁ and r₂ (r₁ > r₂) respectively. When the circuit is closed, the potential difference across the first cell is zero. The value of R is
Options
(a) r₁ + r₂
(b) r₁ – r₂
(c) r₁ + r₂/2
(d) r₁ – r₂/2
Correct Answer:
r₁ – r₂
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The phenomenon of radioactivity
- The magnifying power of a convex lens of focal length 10 cm, when the image
- A simple pendulum performs simple harmonic motion about x = 0 with an amplitude
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- Which one of the following is not due to total internal reflection?
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The phenomenon of radioactivity
- The magnifying power of a convex lens of focal length 10 cm, when the image
- A simple pendulum performs simple harmonic motion about x = 0 with an amplitude
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- Which one of the following is not due to total internal reflection?
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