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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
- Two coaxial solenoids are made by winding thin insulated wire over a pipe
- What should be the velocity(v) of a sound source moving towards a stationary observer
- A ship A is moving westwards with a speed of 10 km/h and a ship B 100 km
- A condenser of capacity C is charged to a potential difference of V₁. The plates
- A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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