| ⇦ | 
| ⇨ |
A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. E₀ and a resistance r₁. An unknown e.m.f. E is balanced at a length l of the potentiometer wire. The e.m.f. E will be given by
Options
(a) E₀l/L
(b) LE₀r/(r+r₁)l
(c) LE₀r/lr₁
(d) E₀r/(r+r₁) l/L
Correct Answer:
E₀r/(r+r₁) l/L
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A source is moving towards an observer with a speed of 20 m/s and having frequency
- A horizontal straight conductor kept in north-south direction falls under gravity. Then
- In a semiconductor
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- In a Rutherford scattering experiment when a projectile of charge Z₁ and mass M₁
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A source is moving towards an observer with a speed of 20 m/s and having frequency
- A horizontal straight conductor kept in north-south direction falls under gravity. Then
- In a semiconductor
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- In a Rutherford scattering experiment when a projectile of charge Z₁ and mass M₁
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