A potentiometer wire is 100cm long and a constant potential difference is maintained

A Potentiometer Wire Is 100cm Long And A Constant Potential Physics Question

A potentiometer wire is 100cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 5-cm and 10cm from the positive end of the wire in the two cases.The ratio of emfs is

Options

(a) (5:4)
(b) (3:4)
(c) (3:2)
(d) (5:1)

Correct Answer:

(3:2)

Explanation:

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

Related Questions:

  1. The shortest wavelength in Lyman series is 91.2 nm. The largest wavelength
  2. A tuning fork gives 4 beats with 50 cm length of a sonometer
  3. When a ceiling fan is switched on, it makes 10 revolutions in the first 3s
  4. Heat is not being exchanged in a body. If its internal energy is increased, then
  5. A rocket is fired upward from the earth surface such that it creates an acceleration

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*