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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
- In n-type semiconductor, electrons are majority charge carriers
- If the distance between the plates of two capacitor is increased then capacitance
- The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
- The approximate depth of an ocean is 2700 m. The compressibility of water is
- The output of an AND gate is connected to both the inputs of a NOR gate,
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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