Physics

Problem

A soft-iron-cored solenoid of length

0.40\,\text{m}

has

2000

turns and carries a steady current of

1.0\,\text{A}

. If the relative permeability of the core is

\mu_r = 500

, determine the magnetic field inside the core of the solenoid. a)

6.3\,\text{T}

3.1\,\text{T}

31\,\text{T}

0.31\,\text{T}