| ⇦ | 
| ⇨ |
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: - A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time
- The ratio of amplitude of magnetic field to the amplitude of electric field for
- In vacuum, to travel distance d, light takes time t and in medium to travel distance
- If α (current gain) of transistor is 0.98, then what is the value of β
- Alternating current cannot be measured by D.C Ammeter because
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A capacitor of 2.5 μF is charged through a resistor of 4 MΩ. In how much time
- The ratio of amplitude of magnetic field to the amplitude of electric field for
- In vacuum, to travel distance d, light takes time t and in medium to travel distance
- If α (current gain) of transistor is 0.98, then what is the value of β
- Alternating current cannot be measured by D.C Ammeter because
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