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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
- According to Hook’s law, force is proportional to
- The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
- Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
- what is the de-Broglie wavelength of the electron accelerated through a potential
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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