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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
- Two particles which are initially at rest, move towards each other
- A nucleus ᵐₙ X emits one α- particle and two β- particles. The resulting nucleus is
- Angle of contact of a liquid with a solid depends on
- The magnetic field at the centre of a circular coil carrying current I ampere is B.
- A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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