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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
- An object is attached to the bottom of a light vertical spring and set vibrating.
- A magnifying glass of focal length 5 cm is used to view an object by a person
- For a particle in a non-uniform accelerated circular motion correct statement is
- A bicyclist comes to a skidding stop in 10 m.During this process, the force
- In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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