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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
- A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s
- If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy
- A current is flowing through resistance. A potential difference of 120 V
- In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
- What are the unit of K = 1 / (4 π ?￢ﾂﾒ)
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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