butiran

ampere's law solenoid

Hukum Ampere menggambarkan hubungan antara integral medan magnetik di sepanjang lintasan tertutup Ampere dan arus listrik yang terlingkupi oleh lintasan tertutup tersebut [ 1 ].

\begin{equation}\label{egn:ampere-law} \oint \vec{B} \cdot d\vec{l} = \mu_0 I_{\rm enc} \end{equation}

ideal solenoid

![]({{ site.baseurl }}/assets/img/0/54/0543-a.png)

at the center

![]({{ site.baseurl }}/assets/img/0/54/0543-b.png)

\begin{equation}\label{egn:solenoid-magnetic-field-center} B = \mu_0 n I \end{equation}

at the end

![]({{ site.baseurl }}/assets/img/0/54/0543-c.png)

\begin{equation}\label{egn:solenoid-magnetic-field-end} B = \tfrac12 \mu_0 n I \end{equation}

note

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