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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ratio of the nuclear radii of elements with mass numbers 216 and 125 is
- If the earth shrink such that its mass does not change but radius decreases to one
- A uniform chain of length L and mass m is kept on a smooth table. It is released
- A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
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Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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