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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
- In adiabatic expansion, product of PV
- A mass m moving horizontally (along the x-axis) with velocity v collides and sticks
- The equation of state for 5 g of oxygen at a pressure P and temperature T,
- A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof
- Which one of the following statement is FALSE ?
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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