| ⇦ | 
| ⇨ |
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: - The frequency of light ray having the wavelength 3000Å is
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- A body initially at rest is moving with uniform acceleration a m/s²
- A dynamo converts
- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The frequency of light ray having the wavelength 3000Å is
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- A body initially at rest is moving with uniform acceleration a m/s²
- A dynamo converts
- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
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