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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For high frequency a capacity offers
- The velocity of a particle at an instant is 10 ms⁻¹.After 3 s its velocity will become
- A body moves with a uniform acceleration a and zero initial velocity
- Stress to strain ratio is equivalent to
- A car moves from X to Y with a uniform speed v(u) and returns to Y with a uniform speed
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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