Four cells, each of emf E and internal resistance r, are connected in series across

Four Cells Each Of Emf E And Internal Resistance R Physics Question

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:

  1. The sun light reaches us as white and not as its components because
  2. A fluid is in streamline flow across a horizontal pipe of variable area of cross section
  3. A layer of colourless oil spreads on water surface. White light is incident on it
  4. Velocities of sound measured in hydrogen and oxygen gas at a given temperature
  5. A force F=ai+3j+6k is acting at a point r=2i-6j-12k. The value of α for

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*