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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
- When a string is divided into three segments of length l₁, l₂ and l₃ the fundamental
- If radius of earth’s orbit is made 1/4, the duration of a year will become
- The distance of the moon form the earth is 3.8×10⁵ km. Supposing that the eye
- A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
- The half-life of radioactive element is 600 yr. The fraction of sample
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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