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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 220V – 100W bulbs are connected first in series and then in parallel.
- A boy whirls a stone in a horizontal circle of radius 1.5 m and at height 2.0 m
- When the rate of flow of charge through a metallic conductor
- A ball of mass 2 kg and another of mass 4 kg are dropped together from
- Two identical long conducting wires AOB and COD are placed at right angle
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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