MENU

A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series

A Potentiometer Wire Of Length 10 M And Resistance 10 Physics Question

A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series with a resistance box and a 2 volt battery. If a potential difference of 100mV is balanced across the whole length of potentiometer wire, then the resistance introduced in the resistance will be

Options

(a) 1900Ω
(b) 900Ω
(c) 190Ω
(d) 90Ω

Correct Answer:

190Ω

Explanation:

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

Related Questions:

  1. Which of the following will be σ if Y=2.4 η?
  2. The initial rate of increase of current, when a battery of emf 6 V is connected
  3. The conducting loop in the form of a circle is placed in a uniform magneitc field
  4. The coefficient of mutual inductance of two coils is 6 mH. If the current flowing
  5. If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly

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Your email address will not be published.


*