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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
- In Young’s double silt experiment, 12 fringes are observed to be formed
- A train of mass 2x 10⁵ kg has a constant speed of 20 m/s up a hill inclined
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- A stone falls freely under gravity.It covers distances h₁,h₂ and h₃
- The time period of bar magnet is doubled when magnetic field is reduced
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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