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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the given (V – T) diagram, what is the relation between pressure P₁ and P₂?
- A series combination of n₁ capacitors, each of value C₁, is charged by a source
- In Young’s double slit experiment, the phase difference between the two waves
- A pan is suspended from a steel wire. Weights are slowly put on the pan
- A vertical spring with force constant k is fixed on a table. A ball of mass
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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