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Four identical cells of emf Ԑ and internal resistance r are to be connected in series.Suppose, if one of the cell is connected wrongly, then the equivalent emf and effective internal resistance of the combination is
Options
(a) 2E and 4r
(b) 4E and 4r
(c) 2E and 2r
(d) 4E and 2r
Correct Answer:
2E and 4r
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
- In the elastic collision of objects
- An electron revolves in a circle at the rate of 10¹⁹ rounds per second.
- A wheel of mass 10 kg has a moment of inertia of 10 kgm² about its own axis
- If a steel wire of length l and magnetic moment M is bent into a semicircular arc,
- The escape velocity from the earth is Ve. The escape velocity from a planet
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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