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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
- The ferromagnetic substance is
- If a charge in current of 0.01 A in one coil produces a change in magnetic flux
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- A battery charges a parallel plate capacitor seperated by distance(d) so that the energy
- An ideal heat engine works between temperature T₁=500 K and T₂=375 K.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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