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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
- Two identical flutes produce fundamental notes of frequency 300 Hz at 27° C
- Water falls from a height of 60m at the rate of 15 kg/s to operate a turbine
- A galvanometer is converted into an ammeter by connecting
- In common base mode of a transistor, the collector current is 5.488 mA
- Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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