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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 photon of energy 10.2 eV collide inelastically with hydrogen atom in ground state
- The sun light reaches us as white and not as its components because
- If a mass of 20g having charge 3.0 mC moving with velocity 20ms⁻¹ enters a region
- The instantaneous angular position of a point on a rotating wheel is given by
- If R is the radius of the earth and g is the acceleration due to gravity
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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