| ⇦ | 
| ⇨ |
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: - Periodic time of a satellite revolving above Earth’s surface at a height equal to R,
- Two planets at mean distances d₁ and d₂ from the sun have their frequencies n₁ and n₂
- A source and an observer approach each other with same velocity 50 m/s. If the frequency
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
- A cyclotron is used to accelerate
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Periodic time of a satellite revolving above Earth’s surface at a height equal to R,
- Two planets at mean distances d₁ and d₂ from the sun have their frequencies n₁ and n₂
- A source and an observer approach each other with same velocity 50 m/s. If the frequency
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
- A cyclotron is used to accelerate
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