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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 ball is dropped from a high rise platform at t = 0 starting from rest
- The magnifying power of a telescope is 9. When it is adjusted for parallel rays
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- In which of the following systems will the radius of the first orbit (n=1) be minimum?
- A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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