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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 p-n-p transistor is used in common emitter mode in an amplifier circuit.
- A charged particle experiences magnetic force in the presence of magnetic field.
- The energy released by the fission of one uranium atom is 200 MeV.
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- If a spring of spring constant k stretched by a length x under tension T, the energy
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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