Physics

Problem

A long solenoid has

n=500\,\text{turns m}^{-1}

and carries a current of

2.0\,\text{A}

. Find the magnetic field inside the solenoid (air core). a)

6.3\times10^{-4}\,\text{T}

1.3\times10^{-2}\,\text{T}

1.3\times10^{-3}\,\text{T}

2.5\times10^{-3}\,\text{T}