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. The S.I. unit of radioactivity is
  2. A particle moves a distance x in time but according to equation x=(t+5)⁻¹
  3. When 10¹⁹elecrons are removed from a neutral metal plate through some process,
  4. A electric dipole is placed at an angle of 30⁰ to a non-uniform electric field.
  5. A balloon with mass m is descending down with an acceleration a