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In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series and in conjunction and the balancing length is found to be 58 cm of the wire. If the polarity of E₂ is reversed, then the balancing length becomes 29 cm. The ratio of e.m.f. of the two cells E₁/E₂ is
Options
(a) (1:1)
(b) (2:1)
(c) (3:1)
(d) (4:1)
Correct Answer:
(3:1)
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
- In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
- Imagine a light planet revolving around a very massive star in a circular
- Magnetism of a magnet is due to
- A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
- When we hear a sound, we can identify its source from
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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