A potentiometer wire of length L and a resistance r are connected in series with

⇦

⇨

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:

1. A particle executing simple harmonic motion of amplitude 5 cm has maximum
2. To draw the maximum current from a combination of cells, how should be the cells
3. A particle has initial velocity (2i⃗+3j⃗) and acceleration (0.3i⃗+0.2j⃗). The magnitude
4. A planet in a distinct solar system is 10 times more massive than the earth
5. An object is placed 30 cm away from a convex lens of focal length 10 cm and a sharp

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