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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
- If the highest modulating frequency of the wave is 5 kHz, the number
- A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- If a body travels half the distance with velocity v1 and the next half with velocity v2
- A projectile is thrown in the upward direction making an angle of 60°with the horizontal
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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