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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 coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly
- When two displacements represented by y₁=a sin(?t) are superimposed the motion is
- A charge Q is enclosed by a Gaussian spherical surface of radius R
- A particle is moving with a uniform velocity along a straight line path
- Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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