| ⇦ | 
| ⇨ |
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: - In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series
- The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
- Light from the constellation Virgo is observed to increase in wavelength by 0.4%
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series
- The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
- Light from the constellation Virgo is observed to increase in wavelength by 0.4%
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply