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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 coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly
- Dimensional formula of magnetic field in terms of mass M, length L
- The most stable particle in Baryon group is
- A simple pendulum performs simple harmonic motion about x = 0 with an amplitude
- A wire of length 1 m is moving at a speed of 2 ms⁻¹ perpendicular to its length
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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