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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
- Three identical spheres, each of mass 3 kg are placed touching each other
- A wire of length L metre carrying a current I ampere is bent in the form
- A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver.
- A small part of the rim of a fly wheel breaks off while it is rotating at a constant
- The electric resistance of a certain wire of iron is R. If its length and radius
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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