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A potentiometer wire is 100cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 5-cm and 10cm from the positive end of the wire in the two cases.The ratio of emfs is
Options
(a) (5:4)
(b) (3:4)
(c) (3:2)
(d) (5:1)
Correct Answer:
(3:2)
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
- Water drops fall from a top on the floor 5 m below at regular intervals
- A thin prism of angle 15⁰ made of glass of refractive index µ₁ = 1.5 is combined
- The angle between the vectors (i+j) and (j+k) is
- If the series limit of Lyman series for hydrogen atom is equal to the series limit
- The nuclear radius of a certain nucleus is 7.2 fm and it has a charge of 1.28×10⁻¹⁷ C.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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