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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 tuning fork gives 4 beats with 50 cm length of a sonometer
- The self induced e.m.f. in a 0.1 H coil when the current in it is changing
- An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil
- An aeroplane flies 400m due to North and then 300m due to south and then flies
- In Young’s experiment, the ratio of maximum to minimum intensities of the fringe
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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