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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
- Two masses of 9 g and 6 g are connected with a string which is passing over a frictionless
- The electric field at a distance 3R / 2 from the centre of a charged conducting
- To convert a 800 mV range millivoltmeter of resistance 40Ω into an ammeter of 100 mA
- Two positive ions, each carrying a charge q, are separated by a distance d
- The difference in the lengths of a mean solar day and a sidereal day is about
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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