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Arus Bolak Balik - e-Learning Sekolah Menengah Kejuruan

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= (6 – j 5) + (3,6 – j 4,8) = 9,6 – j 9,8 = 13,72 ? -45,6 o<br />

Contoh soal<br />

A<br />

R<br />

B<br />

C<br />

C<br />

L<br />

D<br />

V<br />

150 V ?<br />

V<br />

V<br />

50 ?F<br />

V<br />

V<br />

1,2 H<br />

V<br />

V<br />

V<br />

V<br />

?<br />

Tentukan:<br />

V = 85 2 sin (100 t - 2 ? )<br />

a. Z AB<br />

b. Arus (I) dan sudut antara V dan I<br />

c. V AB , V BC , V CD DAN V AC<br />

Penyelesaian<br />

85 2 ?<br />

a. V = ? ? ? 85?<br />

? 45 V<br />

2 4<br />

W = 100 rad/s<br />

X L = W.L = 100 x 1,2 = 120.Ohm<br />

1<br />

X C =<br />

wc<br />

1<br />

100 x 50 x10<br />

? ? ? 6<br />

200 ohm<br />

Modul.FIS.22 Arus Bolak-Balik 37

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