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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 resistance of a bulb filament is 100 Ω at a temperature of 100⁰C.
- Radii of curvature of a converging lens are in the rato 1:2. Its focal length
- Carbon,silicon and germanium have four valence electrons each. At room temperature
- The magnifying power of a telescope is 9. When it is adjusted for parallel rays
- The depletion layer in the p-n junction region is caused by
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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