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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
- The potential energy of a simple harmonic oscillator when the particle is half way
- In electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
- The acceleration due to gravity becomes (g/2) where g=acceleration due to gravity
- Identify the pair whose dimensions are equal
- Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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