Navigate

In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series

In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series and in conjunction and the balancing length is found to be 58 cm of the wire. If the polarity of E₂ is reversed, then the balancing length becomes 29 cm. The ratio of e.m.f. of the two cells E₁/E₂ is

Options

(a) (1:1)
(b) (2:1)
(c) (3:1)
(d) (4:1)

Correct Answer:

(3:1)

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

KL2001
admin:

Related Questions

  1. At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
  2. A 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity
  3. A sound absorber attenuates the sound level by 20 dB. The intensity decreases
  4. A polarised light of intensity I₀ is passed through another polariser whose pass axis
  5. A student performs an experiment to determine the Young’s modulus of a wire