| ⇦ | 
| ⇨ |
Four cells, each of emf E and internal resistance r, are connected in series across an external resistance R. By mistake one of the cells is connected in reverse. Then, the current in the external circuit is
Options
(a) 2E/4r+R
(b) 3E/4r+R
(c) 3E/3r+R
(d) 2E/3r+R
Correct Answer:
2E/4r+R
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - As per Bohr model, the minimum energy (in eV) required to remove an electron
- A uniform force of (3i+j) Nacts on a particle of mass 2 kg.Hence the particle is displaced
- When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- Zener diode is used
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- As per Bohr model, the minimum energy (in eV) required to remove an electron
- A uniform force of (3i+j) Nacts on a particle of mass 2 kg.Hence the particle is displaced
- When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
- Zener diode is used
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