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A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series with a resistance box and a 2 volt battery. If a potential difference of 100mV is balanced across the whole length of potentiometer wire, then the resistance introduced in the resistance will be
Options
(a) 1900Ω
(b) 900Ω
(c) 190Ω
(d) 90Ω
Correct Answer:
190Ω
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
- Two bodies of masses m₁ and m₂ are initially at rest at infinite distance apart
- An object is placed at a distance of 10 cm from a co-axial combination of two lenses
- The electric and magnetic field assiciated with an E.M. wave
- A bubble is rising from bottom of a lake. The volume of bubble becomes
- Two resistances 3Ω and 6Ω are connected in parallel
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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