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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
- Dimensions formula for surface tension is
- The de-broglie wavelength of an electron in 4th orbit is
- The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
- The wavelength of Kα line in copper is 1.5Å. The ionisation energy of K electron in copper is
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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