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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.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When the angle of incidence is 60° on the surface of a glass slab, it is found
- The angle between the dipole moment and electric field at any point on the equatoria
- In Young’s double slit interference experiment, using two coherent waves
- If h is the height of the capillary rise and r be the radius of capillary tube,
- The process of adding impurities to the pure semiconductor is called
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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