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A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected in series with the wire and an accumulator of emf 2V, so as to get a potential gradientof 1mV per cm on the wire is
Options
(a) 32Ω
(b) 40Ω
(c) 44Ω
(d) 48Ω
Correct Answer:
32Ω
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 is thrown vertically up with a velocity u.It passes three points A,B and C
- Equal charge q each are placed at the vertices AQ and B of an equilateral triangle
- A potentiometer wire of length L and a resistance r are connected in series with
- The horizontal range and maximum height attained by a projectile are R and H,respectively
- λ₁ and λ₂ are used to illuminate the slits. β₁ and β₂ are the corresponding fringe
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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