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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.
Related Questions: - Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- A slab consists of two parallel layers of two different materials of same thickness
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
- A slab consists of two parallel layers of two different materials of same thickness
- When the angle of incidence is 60° on the surface of a glass slab, it is found
- A parallel plate capacitor is charged and then isolated. The effect of increasing
- An inclined plane of length 5.60m making an angle of 45⁰ with the horizontal is placed
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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