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. The average power dissipated in a pure inductor is
  2. A source of sound S emitting waves of frequency 100 Hz and an observer
  3. A particle performing uniform circular motion has angular momentum
  4. In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.
  5. 540 g of ice at 0° C is mixed with 540 g of water at 80° C. The final temperature

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Your email address will not be published.


*