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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 silver wire of radius 0.1 cm carries a current of 2A. If the charge density in silver
- A person cannot see the objects clearly placed at a distance more than 40 cm
- A dust packet is dropped from 5th storey of a multi-storeyed building
- The drift velocity of free electrons in a conductor is v, when a current
- The rate of increase of thermo-e.m.f. with temperature at the neutral temperature
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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