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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The temperature coefficient of resistance of an alloy used for making resistor is
- A charge Q is enclosed by a Gaussian spherical surface of radius R
- A rocket is fired upward from the earth surface such that it creates an acceleration
- The frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
- In a semiconductor
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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