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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
- Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
- A parallel plate air capacitor is charged to a potential difference of V volts.
- The number of possible natural oscilations of air column in a pipe closed
- A particle covers half of its total distance with speed v1 and the rest half distance
- Which of the following atoms has the lowest ionisation potential?
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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