A long solenoid has and carries a current of

PHYSICS · Single correct · AP · Physics C: Electricity and Magnetism · Magnetic Fields and Electromagnetism · Magnetic Fields and Electromagnetism

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}

(b)

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

(c)

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

(d)

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