Navigate

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. 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.

BHU2012
admin:

Related Questions

  1. An isolated sphere has a capacitance of 50pF. What would be the radius of the sphere?
  2. The electric field in a certain region is acting radially outward and is given by E=Ar.
  3. An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
  4. A single slit Fraunhogger diffraction pattern is formed with white light.
  5. Aperture of human eye is 0.2 cm. The minimum magnifying power of a visual