A wire in the form of a circular loop of one turn, carrying a current, produces

A wire in the form of a circular loop of one turn, carrying a current, produces a magnetic field B at the centre. If the same wire is looped into a coil of two turns and carries the same current, the new value of magnetic induction at the centre is

Options

(a) 5 B
(b) 3 B
(c) 2 B
(d) 4 B

Correct Answer:

4 B

Explanation:

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

admin:

Related Questions

  1. A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
  2. The potential energy of a 1 kg particle free to move along the x-axis is given by
  3. When the angle of incidence is 60° on the surface of a glass slab, it is found
  4. An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
  5. In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series