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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
- A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT
- A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field
- When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
- A certain current on passing through a galvanometer produces a deflection
- Length of a string tied to two rigid supports is 40 cm. Maximum length
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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