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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
- If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
- The apparent weight of the body of mass 10 kg when it is travelling upwards with
- If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
- A small angled prism of refractive index 1.4 is combined with another small angled prism
- Consider a two particle system with particle having masses m₁ and m₂. If the first
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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