An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer

An Electron In Potentiometer Experiences A Force 24x10n The Length Physics Question

An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer wire is 6m. The emf of the battery connected across the wire is (electronic charge=1.6×10⁻¹⁹C)

Options

(a) 6V
(b) 9V
(c) 12V
(d) 15V

Correct Answer:

9V

Explanation:

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

Related Questions:

  1. The sum of the magnitudes of two forces acting at a point is 16 N
  2. Find the fundamental frequency of a closed pipe if the length of air column is 42m.
  3. If n₁, n₂ and n₃ are the fundamental frequencies of three segments into which a string
  4. A body of mass m is thrown upwards at an angle θ with the horizontal with velocity
  5. Following figures show the arrangement of bar magnets in different configurations

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

1 Comment on An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer

  1. Formula Used: EMF = Force*distance/charge , given in HC Verma (Electric Current in conductors)
    Plugging all the values give the value of EMF to be 9V.

Leave a Reply

Your email address will not be published.


*