| ⇦ | 
| ⇨ |
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: - Two sources P and Q produce notes of frequency 660 Hz each.
- An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from
- The direction of magnetic line of force of a bar magnet is
- If F⃗ is the force acting on a particle having position vector r⃗ and ? ⃗ be the torque
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two sources P and Q produce notes of frequency 660 Hz each.
- An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from
- The direction of magnetic line of force of a bar magnet is
- If F⃗ is the force acting on a particle having position vector r⃗ and ? ⃗ be the torque
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
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