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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
- A body revolved around the sun 27 times faster than the earth. What is the ratio
- Starting from the origin, a body oscillates simple harmonically with a period of 2s
- A disc of radius 0.1 m is rotating with a frequency 10 rev/sec in a normal magnetic
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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