Physics

Problem

Calculate the magnetic field inside a solenoid of

800

turns, length

0.20\,\text{m}

, carrying a current of

3.0\,\text{A}

. (Take

\mu_0 = 4\pi \times 10^{-7}\,\text{T m A}^{-1}

.) a)

7.5 \times 10^{-3}\,\text{T}

1.5 \times 10^{-2}\,\text{T}

1.5 \times 10^{-3}\,\text{T}

3.0 \times 10^{-2}\,\text{T}