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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
- Which gate can be obtained by shorting both the input terminals of a NOR gate?
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- An α-particle of energy 5 MeV is scattered through 180⁰ by a fixed uranium nucleus.
- Which two of the following five physical parameters have the same dimensions?
- The bandgap in Germanium and silicon, in eV, are respectively
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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