A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected

A Potentiometer Wire Has Length 4m Resistance 8 The Resistance Physics Question

A potentiometer wire has length 4m resistance 8Ω. The resistance that must be connected in series with the wire and an accumulator of emf 2V, so as to get a potential gradientof 1mV per cm on the wire is

Options

(a) 32Ω
(b) 40Ω
(c) 44Ω
(d) 48Ω

Correct Answer:

32Ω

Explanation:

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

Related Questions:

  1. Two discs of moment of inertia l₁ and I₂ and angular speeds
  2. A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on control panel.The lift starts moving upwards wi
  3. The kinetic energy needed to project a body of mass m from the surface of earth
  4. A long straight wire of radius a carries a steady current I. The current is uniformly
  5. A black body radiates 20 W at temperature 227⁰C. It temperature of the black body

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Your email address will not be published.


*