(A)   tegangan maksimum dan tegangan efektif

\(V = {\color {red} V_{\text{max}}} \:.\: \sin \omega t = {\color {red} 50 \sqrt{2}} \sin 100\pi t\)

\(V_{\text{max}} = 50 \sqrt{2} \text{ V}\)

\(V_{\text{eff}} = \dfrac {V_{\text{max}}}{\sqrt{2}} = \dfrac {50 \sqrt{2}}{\sqrt{2}} = 50 \text{ V}\)

(B)   frekuensi anguler, frekuensi dan periode

\(V =  V_{\text{max}} \:.\: \sin {\color {red}\omega} t = 50 \sqrt{2} \sin {\color {red} 100\pi} t\)

\(\omega = 100 \pi\)

\begin{equation*} \begin{split} \omega & = 100 \pi \\\\ 2 \pi f & = 100 \pi \\\\ f & = 50 \text{ Hz} \end{split} \end{equation*}

\begin{equation*} \begin{split} f & = 50 \\\\ T & = \frac {1}{50} \text{ detik} \end{split} \end{equation*}

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