| ⇦ | 
| ⇨ |
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.
Related Questions: - A spherical drop of capacitance 1μF is broken into eight drops of equal radius.
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
- Huygen’s principle of secondary wavelets may be used to
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A spherical drop of capacitance 1μF is broken into eight drops of equal radius.
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
- Huygen’s principle of secondary wavelets may be used to
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- An α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply