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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 pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
- A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- The direction of magnetic line of force of a bar magnet is
- A bar magnet of moment of inertia I is vibrated in a magnetic field of induction
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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