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INDUKSI ELEKTROMAGNETIK• Arus Bolak Balik
Suatu arus AC memiliki nilai efektif 200 mA. Pada saat sudut fasenya 30° , nilai arusnya adalah...
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iₑ = 200 mA
θ = 30°
i = __ ?
iₘ = iₑ √2
= 200√2 mA
i = iₘ sin θ
i = 200√2 sin 30°
i = 200√2 × ½
i = 100√2 mA
D.