A wire of one metre length carries a constant current. The wire is bent to form

A Wire Of One Metre Length Carries A Constant Current Physics Question

A wire of one metre length carries a constant current. The wire is bent to form a circular loop. The magnetic field at the centre of this loop is B.The same is now bent to form a circular loop of smaller radius having four turns. The magnetic field at the centre of this new loop will be

Options

(a) B/2
(b) 4B
(c) B/4
(d) 16B

Correct Answer:

16B

Explanation:

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

Related Questions:

  1. In Young’s double slit experiment with sodium vapour lamp of wavelength
  2. In common base circuit of a transistor, current amplification factor is 0.95.
  3. The maximum wavelength of radiations emitted at 900K is 4 µm. What will be the maximum
  4. One milligram of matter on convertion into energy will give
  5. A small block of super dense material has mass 3 x 10²⁴ kg.It is situated at a height

Topics: Magnetic Effects of Current and Magnetism (167)
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Your email address will not be published.


*