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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Diameter of the objective of a telescope is 200 cm. What is the resolving power
- In refraction, light waves are bent on passing from one medium to the second medium
- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
- A force acts on a 3.0 g particle in such a way that the position of the particle
- The power factor of an AC circuit having resistance R and inductance L connected
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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