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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
- If a star converts all helium in its core to oxygen, then energy released per oxygen
- Two resistors of 6Ω and 9Ω are connected in series to a 120 V source.
- A machine gun fires 10 bullets/s,each of mass 10 g,the speed of each bullet
- In which process, the P-V indicator diagram is a straight line parallel to volume
- When a charged oil drop moves upwards in an electric field,
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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